{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Lecture 4a - Lecture 4 A Children with Visual Impairments...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 4. A) Children with Visual Impairments – Introduction Introduction - Sight is important for many aspects of life - Sight affects our other senses as well - In a classroom, teachers use demonstrations, models, pictures and a variety of colour coded material to teach - Any vision problem may hinder a students learning ability - Impairments interfere with play, social growth, adjustment and mobility - Some qualify for special education while others remain in the general classrooms The Eye - Visual system: consists of the eye, which receive light image; the nerve pathways, which transmit the image to the optical centres of the brain; and the brain itself, which interprets the image - The eyeball is a sphere wrapped in 2 layers of tissue - The outmost area consists of the sclera and the cornea o Sclera: a tough, flexible white covering o Cornea: a transparent window covering the front of the eye - The middle layer consists of the iris, the lens, the six ocular muscles, the lacrimal glands and the
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}