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OftalTech
COMBINED SELECTIVE CORNEAL WAVEFRONT-GUIDED
PHOTOREFRACTIVE KERATECTOMY AND CORNEAL CROSS-LINKING
IN EYES WITH PROGRESSIVE MILD TO MODERATE KERATOCONUS
Session Details
Session Title: CRS/RLE
Session Date/Time: Saturday 17/09/2011 | 16:30-18:00
Paper Time: 16:42
Venue: Hall A3
First Author: S.Awwad LEBANON
Co Author(s): V. Massoud D. Fahd N. Jabbur
Abstract Details
Purpose: To evaluate the efficacy and safety of combined selective corneal wavefront-guided
photorefractive keratectomy (CWG-PRK) and corneal cross-linking (CXL) in
progressive mild to moderate keratoconus.
Setting: American University of Beirut Medical Center, Beirut, Lebanon.
Methods: A retrospective interventional case series of 6 eyes of six patients with mild to moderate
keratoconus with a documented history of disease progression. Selective CWG-PRK
was achieved using the Schwind Amaris excimer laser with static and dynamic
cyclotorsion control and wavefront registration by treating selected out-of-range corneal
higher order aberrations (HOAs) to minimize tissue ablation, all while treating a defined
amount of sphere and cylinder so that the total peak ablation depth is kept under 50
microns and the residual corneal thickness is kept above 400 microns. CXL was
performed at the same setting with application of 0.02% mitomycin C. Mean follow-up
time was 9.2 months.
Results: Preoperative and postoperative UCVA and BSCVA mean logMar improved from 0.48
to 0.3 and 0.16 to 0.06 respectively. All patients reported noticeable improvement in
their visual symptoms. There was a consistent decrease in total corneal HOAs and coma
aberrations. Corneal topography showed an improvement in anterior surface irregularity
indices (IS ratio decreased from 6.0 to 4.7, SAI from 2.8 to 2.5, and SRI form 1.3 to
1.2), while Scheimpflug imaging showed stable anterior and posterior floats over the
course of the follow-ups, which ranged from 6 to 15 months.
Conclusions: Combined selective CWG-PRK and CXL in progressive mild to moderate keratoconus
is safe and effective. Compared to topography-guided ablation, CWG laser ablation
permits selective treatment of corneal higher order aberrations, thus improving visual
quality while sparing stromal tissue
Financial Disclosure: None
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REFRACTIVE OUTCOME IN PRESBYOPIC PATIENTS TREATED
WITH SHWIND AMARIS PRESBYMAX LASER TREATMENT
Session Details
Session Title: Presbyopia
Session Date/Time: Sunday 18/09/2011 | 08:00-09:30
Paper Time: 08:24
Venue: Hall A1
First Author: H.Mahmood BAHRAIN
Co Author(s)
Abstract Details
Purpose:
Study the effect of near and distance vision outcome by SHWIND AMARIS Presbymax
approach
Setting:
Dr haifa Eye Specialist Center
Methods:
All patients were corrected with PresbyMax approach. Only laser PRK were
included.The optical zone was set between 6.5mm and 7.5 mm. Treatement performed
on the basis of both both eyes with same addition, same optical zone ans same surgical
day. the preoperative manifest refraction of defocus: - 1.00 D to +5.25 D, astigmatism :
up to - 4.25 D, addition up to + 2.50 D. All data from from 40 patients (including 2
patients post RK surgery and 1 patient pseudophakic post phaco-emulsification both
eyes) anylyzes for a post operative period of 6 -18 months.
Results:
95% of patients have no significant changes in defocus, cylinder or addition, 100 % of
patients with myopia and myopic astigmatism patients had arrange of 0.25 D
defocus,and 95% of 0.5 D in hyperopic patients. Regression happen in 2 patients( one
patient with hyperopia and one emmetropic patient).
Conclusions:
SHWIND AMARIS PresbyMax treatment is safe and effective for the treatment of
prebypia
Financial Disclosure:
None
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3 MONTH EXPERIENCE WITH PRIMARY CORNEAL WAVEFRONT
GUIDED TREATMENTS USING THE SCHWIND AMARIS 750S LASER:
CLINICAL OUTCOMES
Session Details
Session Title: Laser Refractive Surgery
Session Date/Time: Monday 19/09/2011 | 14:30-17:00
Paper Time: 15:12
Venue: Hall A3
First Author: J.Tan SINGAPORE
Co Author(s): Y. Por
Abstract Details
Purpose:
To evaluate post-operative outcomes on refraction, corneal higher order aberrations and
contrast sensitivity among previously unoperated eyes that underwent LASIK
treatments with the Schwind Amaris 750S. All cases were treated prospectively using
corneal wavefront guided treatments. Setting:
Jerry Tan Eye Surgery, Singapore
Methods:
One hundred eyes for corneal wavefront guided treatments were enrolled. Pre-and post-
operative uncorrected and best corrected distance visual acuities, corneal and ocular
wavefronts, and contrast sensitivities were performed. Corneal wavefronts were
measured with the Scout and Sirius topographers, and ocular wavefronts with the IRX 3
(Schwind Eye-Tech-Solutions, Kleinostheim, Germany). Contrast sensitivity was
performed with the Sine Wave Contrast Test (Stereo Optical Co, USA). Treatments
were planned with the ORK-CAM software, and ablation performed with the Amaris
750S (Schwind Eye-Tech-Solutions, Kleinostheim, Germany). LASIK flaps were cut
with the iFS Intralase laser (Abbott Medical Optics, USA). Clinical outcomes were
evaluated in terms of predictability of refractive outcomes, safety, corneal wavefront
changes and contrast sensitivity.
Results:
At 3 months post-operatively, 100% of patients were within 1.00D of targeted
refraction. No patient lost 2 or more lines of best corrected vision. Coma and spherical
aberration were reduced in all cases with less than 6.00D of myopia pre-operatively.
Contrast sensitivity was improved in the majority of cases.
Conclusions:
Corneal wavefront guided treatments with the 750Hz Schwind Amaris 750S laser are
safe and predictable when used in previously untreated eyes. Refractive errors and
higher order aberrations were reduced post-operatively in low and moderate myopes.
No nomogram adjustments were necessary.
Financial Disclosure:
... receives consulting fees, retainer, or contract payments from a company producing,
developing or supplying the product or procedure presented, ...receives consulting fees,
retainer, or contract payments from a competing company
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CROSS-LINKING FOLLOWED BY CUSTOMIZED TRANS-PRK
Session Details
Session Title: Cross-Linking 2
Session Date/Time: Tuesday 20/09/2011 | 14:00-16:00
Paper Time: 15:22
Venue: Strauss 2
First Author: M.Camellin ITALY
Co Author(s): S. Mosquera
Abstract Details Purpose: To evaluate the use of a single-step optimized Corneal-Wavefront guided TransPRK to
correct High Order aberrations (Coma) problems after Cross Linking following
Keratoconus. Setting:
Dr. Massimo Camellin, SEKAL Rovigo Microsurgery Centre, Rovigo, Italy. Methods:
Retrospective, non-comparative, consecutive case series, 21 eyes underwent at first
Cross linking and, after 4 months, Corneal-Wavefront guided TransPRK for correction
of aberrations (Mainly coma) 4 months following cross linking. Keratron-Scout
topography (Optikon 2000) and a flying-spot laser (AMARIS; SCHWIND eye-tech-
solutions) were used. As in keratoconus, the most frequent and negative aberration is
coma, we decided to reduce only it so saving tissue. Preoperatively, eyes showed
irregular astigmatism 3.7D (SD 1.4) and corneal wavefront coma (5mm) 1.7u (SD 1.1).
BCVA pre was 4.9/10 (SD 2.2). UCVA pre was 1.1/10 (SD 1.1). Complete ophthalmic
examinations were performed before and after surgery. Results:
The mean age of the patients was 32 (SD 10) years (range 16 to 62 years) at the time of
the surgery. Mean follow-up was 8±7 months (2 to 31 months). Postoperatively, eyes
showed astigmatism 2.4D (SD 1.9) and corneal wavefront coma (5mm) 0.8u (SD 0.5).
BCVA post was 6.3/10 (SD 1.9). UCVA post was 3.3/10 (SD 3). No Snellen lines of
BSCVA lost, and 13 eyes (65%) had an increase of more than 2 lines. Haze was 0 in all
eyes. Apex pachimetry (thinnest point) passed from 455 to 410 so the real weakening of
the cornea is negligible. Conclusions:
Corneal-Wavefront guided TransPRK using AMARIS is a safe and effective suitable
solution for reducing coma problems after Cross linking for keratoconus. This
procedure has a fast recovery time and is good solution in eyes not candidate for
transplant. These patients can use soft contact lenses or glasses to reduce their residual
refractive error. Financial Disclosure:
None
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ABLATION VOLUME AND POSTOPERATIVE REFRACTION IN EXCIMER
LASER MYOPIC CORRECTION MEASURED WITH SCHEIMPFLUG
IMAGING
Session Details
Session Title: Outcome Myopia
Session Date/Time: Tuesday 20/09/2011 | 14:00-16:00
Paper Time: 15:24
Venue: Hall A2
First Author: M.Arbelaez OMAN
Co Author(s): S. Arba Mosquera
Abstract Details Purpose:
To analyse measurements of a Scheimpflug imaging technique to describe the ablated
volume after myopic astigmatic corneal laser refractive surgery and achieved refractive
correction. Setting:
Maria Clara Arbelaez, MD, Muscat Eye Laser Center, PO Box 938, PC 117, Muscat,
Oman. Tel: 96 824 691 414; Fax: 96 824 601 212; E-mail: [email protected] Methods:
Three-hundred myopic astigmatism treatments using LASIK or LASEK in 150 patients
with 3-month followup were retrospectively analyzed. In all cases, standard
examinations, pre-/postoperative corneal topography, aberrometry, and Scheimpflug
were performed. SCHWIND Custom Ablation Manager (CAM) software and the
AMARIS 750S laser were used for planning treatments and performing ablations.
Outcomes were evaluated in terms of predictability, safety, and wavefront aberration.
Pachymetry maps was taken before treatment (Scheimpflug [CSO SIRIUS]) and at 3-
month follow-up (Scheimpflug [CSO SIRIUS]). The changes in corneal volume were
compared to the theoretical ablation volume provided by the AMARIS readout. The
statistical significance of the differences were evaluated with paired Student T-test,
correlations between parameters were evaluated with the coefficient of determination. Results:
At 3 months, 93% of eyes achieved 20/20 UCVA, and 92% of eyes were within 0.50
diopters (D). Postoperative mean spherical equivalent refraction was -0.16±0.32 D. Best
spectacle-corrected visual acuity improved in 31% of eyes. Differential corneal volume
correlated to intended ablation volume r2=0.90, P<.0001, slope 0.91. Relative
differential volume correlated only marginally to achieved refractive correction. Conclusions:
Differential corneal volume is a metric useful for describing intended ablation volume
but not for achieved refractive correction. The rotating Scheimpflug technique offers
good estimation (slope close to 1) and fair correlation (r2 close to 1) for describing
ablation volume. Only borderline correlations were obtained for achieved refractive
correction. Financial Disclosure:
... is employed by a forNoneprofit company with an interest in the subject of the
presentation, ... travel has been funded, fully or partially, by a competing company
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TRANSEPITHELIAL PHOTOTHERAPEUTIC KERATECTOMY MODE
USING THE SCHWIND AMARIS EXCIMER LASER
Session Details
Session Title: Outcome Myopia
Session Date/Time: Tuesday 20/09/2011 | 14:00-16:00
Paper Time: 15:36
Venue: Hall A2
First Author: S.Adib-Moghadam IRAN, ISLAMIC REPUBLIC OF
Co Author(s)
Abstract Details
Purpose:
To evaluate epithelial healing and refractive outcomes after transepithelial
photorefractive keratectomy (tPRK) mode using the Schwind Amaris 500 excimer laser.
Setting:
Bina Eye Hospital, Tehran, Iran.
Methods:
Twenty-seven eyes from 18 patients with myopia underwent tPRK using a multistage
program to perform PTK followed by PRK. All ablations were performed with an
Amaris 500 excimer laser platform (Schwind Eye-Tech-Solutions GmbH & Co. KG.).
Epithelial healing was evaluated by taking slit-lamp photographs every 24 hours until
complete reepithelialization. All outcomes are reported for 3 months postoperatively.
Haze was graded by two ophthalmologists, each masked to the other’s result.
Results:
Mean reepithelialization took 2.20±0.60 days. The postoperative 3-month remaining
mean spherical equivalents were -0.16 ± 1.01 diopters. At the last follow-up, the
uncorrected distance visual acuity was better than 20/25 in 28 eyes (100%) and better
than 20/20 in 22 eyes (82%); 26 eyes (92%) were within ±0.50 D of the attempted
spherical equivalent. Best spectacle-corrected visual acuity was 20/20 or better in 26
eyes. No eye lost Snellen lines of corrected distance visual acuity. Haze developed in 1
eye.
Conclusions:
This study shows tPRK mode using Schwind Amaris is a safe and effective procedure
with rapid epithelial healing. Additional studies are needed to determine long-term
outcomes.
Financial Disclosure:
None
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CLINICAL RESULTS OF LASIK USING SCHWIND AMARIS 750S AND
FEMTO LDV CRYSTAL LINE IN 1,112 MYOPIC EYES
Session Details
Session Title: RSNT/Presbyopia
Session Date/Time: Wednesday 21/09/2011 | 08:00-10:00
Paper Time: 08:36
Venue: Hall A2
First Author: : M.Tomita JAPAN
Co Author(s): : S. Yukawa N. Nakamura T. Nakamura T. Tsuru
Abstract Details
Purpose: To evaluate the visual outcomes, safety, stability, efficacy, and predictability of LASIK
for myopia using SCHWIND AMARIS 750S (SCHWIND Eye-Tech-Solutions GmbH,
(Kleinostheim, Germany) and Femto LDV Crystal Line (Ziemer Group AG, Port,
Switzerland) for corneal flap creation.
Setting: Shinagawa LASIK Center, Tokyo, Japan
Methods: In this retrospective and non-comparative study, 1,112 eyes of 595 patients underwent
LASIK with SCHWIND AMARIS 750S for myopic correction and Femto LDV Crystal
Line for flap creation. The patients mean age was 34.2 ± 7.81 years (range, 17 ~ 65
years) and the mean preoperative manifest refraction spherical equivalent (MRSE) was -
4.48 ± 2.13 D (range, -0.50 ~ -12.00 D), respectively.
Results: At 3 months after LASIK, 80% of the eyes achieved 20/16 or better vision and 97% of
the eyes 20/20 or better. The MRSE was within +/-0.50 D for 94% and within +/-1.00 D
for 99% of the patients. There were no significant post-operative complications.
Conclusions: Our study demonstrated that LASIK using SCHWIND AMARIS 750S and Femto LDV
Crystal Line was highly safe, efficient and predictable for the correction of myopia of
wide range.
Financial Disclosure: ... travel has been funded, fully or partially, by a company producing, developing or
supplying the product or procedure presented
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CORNEAL HIGHER ORDER ABERRATIONS AND REFRACTIVE
OUTCOMES IN LASIK FOR HIGH MYOPIA WITH A SIXTH GENERATION
EXCIMER LASER PLATFORM
Session Details
Session Title: RSNT/Presbyopia
Session Date/Time: Wednesday 21/09/2011 | 08:00-10:00
Paper Time: 08:48
Venue: Hall A2
First Author: A.Vega-Estrada SPAIN
Co Author(s): J. Alio, D. Pi, A. El Aswad
Abstract Details
Purpose: To evaluate corneal higher order aberrations and refractive outcomes after LASIK for the
treatment of high myopia using the Amaris excimer laser
Setting: Vissum Corporation, Alicante, Spain
Methods: 52 eyes of 32 patients (age range 23-61 years) with high level of myopia or myopic
astigmatism (Spherical equivalent ? 7 D) were included. All cases underwent uneventful
LASIK surgery using the Amaris excimer laser (Schwind) and optimized aspherical profiles.
Mean preoperative spherical equivalent was -8.66 (ranging from -6.75 to -13.00 D). The
follow-up period was 6 months. Corneal higher order aberration and Strehl ratio (6-mm
pupil) were recorded and analyzed. Changes in visual acuity and refraction were also
assessed.
Results: Four eyes were excluded from the analysis because of LASIK enhancement for correcting
the residual refractive error during the follow-up. In the remaining eyes (48), a statistically
significant reduction of the spherical equivalent was observed ( p<0.01), distance corrected
visual acuity remained the same or improved in 91.7% of eyes at 6 months after LASIK
surgery. Corneal primary spherical aberration changed from a mean value of 0.21
preoperatively to a mean postoperative value of 0.52 ?m (p<0.01). Mean magnitude of
primary coma also changed significantly from 0.21 to 0.54 ?m postoperatively (p<0.01) In
relation with the spherical-like aberration, a statistically significant change was observed in
the postoperative period (p<0.01). The same was seen with the coma-like aberration
(p<0.01). Regarding corneal Strehl ratio, there was no statistically significant change
between the preoperative 0.107 and postoperative period 0.105 (p=0.81).
Conclusions: Correction of high levels of myopia with a sixth generation LASIK platform significantly
improves refractive status of patients. Even when there is a statistically significant induction
of corneal higher order aberrations, they may not be clinically relevant as they are found to
be within 3 standard deviation of the levels considered as physiological for the normal
population.
Financial Disclosure: None
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CUSTOMIZED TRANS-PRK TO FIX HAZE AND SCARS
Session Details
Session Title: Cornea Surgical
Session Date/Time: Wednesday 21/09/2011 | 08:00-10:30
Paper Time: 10:03
Venue: Strauss 2
First Author: M.Camellin ITALY
Co Author(s): S. Mosquera
Abstract Details
Purpose: To evaluate the use of a single-step optimized Corneal-Wavefront guided TransPRK to
correct corneal opacities and surface irregularities following previous PRK and scars
due to trauma or keratities.
Setting: Dr. Massimo Camellin, SEKAL Rovigo Microsurgery Centre, Rovigo, Italy.
Methods: Retrospective, non-comparative, consecutive case series, 43 eyes underwent Corneal-
Wavefront guided TransPRK for correction of aberrations and refractive errors. All
these cases in past would have had a PTK procedure to eliminate opacities and corneal
irregularities. A single step laser procedure allows a reduction of opacities and surface
irregularities avoiding unwanted sacrifices of tissue. Keratron-Scout topography
(Optikon 2000) and a flying-spot laser (AMARIS; SCHWIND eye-tech-solutions) were
used. Preoperatively, eyes showed opacities and irregular astigmatism 2.5D (SD 3.5)
and corneal wavefront was RMS (5mm) 1.9u (SD 1.2). BCVA pre was 5.8/10 (SD 2.6).
UCVA pre was 2/10 (SD 1.9). Complete ophthalmic examinations were performed
before and after surgery.
Results: The mean age of the patients was 40 (SD 10) years (range 19 to 64 years) at the time of
the surgery. Mean follow-up was 30±15 months (2 to 50 months). Postoperatively, eyes
showed astigmatism 0.9D (SD 0.9) and corneal wavefront RMS (5mm) 1.1u (SD 0.6).
BCVA post was 7.9/10 (SD 2). UCVA post was 5/10 (SD 3). No Snellen lines of
BSCVA lost, and 30 eyes (70%) had an increase of more than 2 lines. Haze was 0 in
almost all eyes, only one eye had a 2 degree haze.
Conclusions: Corneal-Wavefront guided TransPRK using AMARIS is a safe and effective suitable
solution for reducing opacities and high RMS aberrations following haze and scars. This
procedure avoid the unpredictable results of a PTK and solves in a single step the
problems, opacities plus refractive error.
Financial Disclosure: None
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ROLLING AND Z MOVEMENTS MEASURED WITH THE 6D EYE-
TRACKER OF THE SCHWIND AMARIS TOTAL-TECH LASER
Session Details
Session Title: Laser Refractive Surgery.
Session Date/Time: Wednesday 21/09/2011 | 08:00-10:30
Paper Time: 08:18
Venue: Strauss 3
First Author: : M.Arbelaez OMAN
Co Author(s): : S. Arba mosquera
Abstract Details
Purpose: To evaluate intraoperative dynamic eye rolling and z movements among eyes that
underwent LASIK treatments with 6D Eye-Tracking using SCHWIND AMARIS.
Setting: Dr. M.C. Arbelaez, Muscat Eye Laser Center, Muscat, Sultanate of Oman.
Methods: The first few scleral-tracker images obtained when starting the ablation were used as
references (natural rolling and levelling) and compared to any further scleral-tracker
image to determine eye rolling and the axial displacements. The rate of successful
registration was calculated as the ratio between RegisteredEyes and TotalEyes. The
difference between the maximum and minimum eye rolling and axial displacement
values for each eye was taken as a metric of the movement range. Mean values,
standard deviation, and minimum and maximum values were computed for eye rolling
and axial displacement and expressed as percent of treatments, as well.
Results: The rate of successful registration was 90% (52/58 successful registrations). Mean
rolling was 2±3° (-4° to +7°) horizontally and -3±3° (-7° to +1°) vertically. Seventy-
eight percent mean rolling measurements were within 5° horizontally and 70%
vertically. Mean axial displacement was -295±455 ?m (-1129 to +404 ?m). Mean axial
displacement values were >1 mm in 10% of measurements. Mean rolling range during
treatment was 4±2° (1° to 9°) horizontally and 5±2° (range: 1° to 8°) vertically.
Horizontally, 3% rolling ranges were >8°. Mean axial displacement during treatment
was 460±271 ?m (60 to 1188 ?m). Three percent axial displacement ranges were >1
mm.
Conclusions: 6D eye-tracker is valuable because uncompensated rolling movements can induce
decentrations (visually comatic aberrations), whereas uncompensated axial movements
may induce undercorrections asymmetrically. We retrieved 5° for “natural-rolling”, and
observed patients push their heads back at the beginning of the treatment and return to a
more level position during treatment.
Financial Disclosure: ... is employed by a forNoneprofit company with an interest in the subject of the
presentation, ... travel has been funded, fully or partially, by a competing company
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FIRST CLINICAL RESULTS OF TRANSEPITHELIAL PHOTOREFRACTIVE
KERATECTOMY IN MYOPIA
Session Details
Session Title: Laser Refractive Surgery.
Session Date/Time: Wednesday 21/09/2011 | 08:00-10:30
Paper Time: 08:30
Venue: Strauss 3
First Author: M.Kynigopoulos SWITZERLAND
Co Author(s): A. Wild M. B
Abstract Details
Purpose: To evaluate the efficacy of transepithelial photorefractive keratectomy (transPRK) using
the Schwind Amaris excimer laser for the treatment of myopia.
Setting: Vedis Augenlaserzentrum Zurich
Methods: Prospective consecutive clinical study of 41 eyes (22 patients, mean age 32.5 ± 6.9
years) who were treated by transPRK using the aberration free ablation protocol. The
optical zone was 7 mm and standard epithelial thickness (centrally 55 µm and 65 µm in
the periphery) was used. In 12 eyes Mitomycin C 0.02% for 30 seconds was applied.
We report the 3 months results.
Results: Mean refractive spherical equivalent changed from -2.75 ± 1.55 to -0.12 ± 0.22
postoperatively. No patient lost best spectacle-corrected visual acuity. The uncorrected
Snellen distance visual acuity (UDVA) changed from 0.15 ± 0.1 to 1.1 ± 0.13 (range 0.7
-1.2). 40 eyes (97.6%) achieved a UDVA ? 0.8. All eyes had best spectacle-corrected
visual acuity of 1.0 or better. Haze Grade 1 appeared in 4 eyes (reversible with topical
steroid treatment). No patient required an enhancement.
Conclusions: TransPRK appears to be an safe and effective therapeutic option for myopia.
Financial Disclosure: None
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A NEW METHOD OF CORNEA MODULATION WITH EXCIMER LASER
FOR SIMULTANEOUS CORRECTION OF PRESBYOPIA AND
AMMETROPIA: 12 MONTHS RESULTS
Session Details
Session Title: Laser Refractive Surgery.
Session Date/Time: Wednesday 21/09/2011 | 08:00-10:30
Paper Time: 09:24
Venue: Strauss 3
First Author: D.Holland GERMANY
Co Author(s): M. P D. Hepper D. Uthoff
Abstract Details
Purpose: To investigate the outcomes for simultaneous correction of presbyopia and ammetropia
by biaspherical Presby-Lasik technique (PresbyMAX) based on the creation of a central
area hyperpositive for near vision and leaving the midperipheral cornea for far vision in
emmetropic, hyperopic and myopic presbyopic patients.
Setting: 60 eyes of 30 patients were treated with the PresbyMAX technique by one surgeon
(D.U.) at the Augenklinik Bellevue.
Methods: 20 eyes with emmetropic presbyopia, 20 eyes with myopic presbyopia and 20 eyes with
hyperopic presbyopia underwent FEMTO-LASIK and were assessed out to 12 months
postoperatively. Mean patient age was 52 years (range: 45-57 years) for the emmetropic
presbyopic group, 54 years (range: 39- 69 years) for the hyperopic presbyopic group
and 51 years (range: 46-60 years) for the myopic presbyopic group. All eyes underwent
cornea treatment using the PresbyMAX software delivering bi-aspherical multifocal
ablation profiles developed by SCHWIND eye-tech-solutions (Kleinostheim, Germany).
All Flaps were created by Ziemer LDV Femtolaser (Port, Switzerland).
Results: The mean binocular DUCVA improved in the hyperopic group from 0.28±0.29
logMAR to -0.04±0.07 logMAR, in the emmetropic group from -0.05±0.07 logMAR to
0.02±0.11 logMAR and in the myopic group from 0.78±0.27 logMAR to 0.09±0.08
logMAR. The mean binocular NUCVA increased in the hyperopic group from
0.86±0.62 logRAD to 0.24±0.23 logRAD and in the emmetropic group from 0.48±0.14
logRAD to 0.18± 0.11 logRAD. The myopic presbyopes showed a decrease of the mean
binocular NUCVA from 0.04±0.19 logRAD to 0.12±0.18 logRAD.
Conclusions: In presbyopic patients without symptomatic cataract, but refractive errors, PresbyMAX
will decrease the presbyopic symptoms and correct far-distance refraction in the same
treatment offering spectacle-free vision in daily life in most of the treated patients.
Further investigation is necessary to evaluate the overall benefit of this procedure.
Financial Disclosure: None