Visual Displays &

Online Instruction

By: Kerim MarashiKristen Spivey Dylan Anderson

Structure & Functions of The Eye

Functions of The Eye Cornea: tough, clear structure, which lets light enter the eye and

bend light.

Lens: focuses light, is attached to muscles which contract and relax to change its shape in response to the need for clarity.

Iris: the part of the eye that gives the eye its color.

Optic nerve: bundle of retinal fibers that exists on the back of the eye and transports electrical impulses to the brain where they are interpreted in the primary visual cortex.

Functions of The Eye Optic nerve: bundle of retinal fibers that exists

on the back of the eye and transports electrical impulses to the brain where they are interpreted in the primary visual cortex.

Macula: central part of the retina; has the largest concentration of cone cells.

Retina: contains the rod and cone cells which convert light into electrical impulses.

How We See

Perception

Acqusition (Color, Depth, Form, Motion) Selection ( Which part of focus on?) Interpretation (I see a flying bug) Organization (It reminds me of horsefly)

Interpretation

Eye Disorders Color Blind Irlen Syndrome

Color Blindness

Irlen Syndrome

Visual Displays Independent Displays: require no external

power or special equipment to be observed Dependent Displays: do require an external

source of power and special equipment to be observed

Tangible Displays: Observable structures possessing physical properties

Independent Displays

Dependent Displays

Tangible Displays

Online Instruction Audiovisual composition intended to

instruct or pacify curious minds Main Types: General, Esoteric,

Mischievous

General Instruction www.Lynda.com www.youtube.com

Esoteric Instruction www.tinmith.net/backpack.htm www.hackaday.com

Mischievous Instruction www.pranksonline.com www.harvardsucks.org

Near Future of Visual Instruction?