Lecture 3: Visual Deficits Pt 2

Question 1

Charles Bonnet Syndrome

Answer 1

Visual hallucinations: “I see purple flowers everywhere.”
Akin to phantom limb sensations
Cause unknown
>50% of people with low vision experience visual hallucinations.

Question 2

Metamorphopsia

Answer 2

Objects tend to look wavy
Images are distorted
Caused mostly by pathology causing changes in the retinal or sub-retinal tissue, e.g., edema, neovascularization
wrinkling of the macula
Very important to keep track of each eye seperately

Question 3

_________ is the primary stated for low-vision rehabilitation

Answer 3

Reading

Question 4

There is little information for ______ in low-vision literature

Answer 4

Writing

Question 5

Reading in central vision loss is characterized by

Answer 5

Blurriness of print, words “running together,” slow reading, repetition of words.

Question 6

Reading in peripheral vision loss is characterized by

Answer 6

Difficulty locating information of the the page

Question 7

Writing in central vision loss is characterized by

Answer 7

Increasingly illegible, writing drifts up or down the page, writing too small to read back to self, difficulty staying within a line or cell.

Question 8

Writing in peripheral vision loss is characterized by

Answer 8

Poor alignment at left margin, writing over right margin of page, difficulty locating left margin and anticipating right margin.