Activity 2B: Visual Field Defects

Have the students discuss what kind of visual problems would occur if defects occurred at specific anatomic sites. Examples of anatomic sites, associated defects, and visual problems are given in the table:

**Anatomic Sites, Defects, & Visual Problems**
Anatomic Site	Defect	Visual Problem
Right eye	Damaged in accident	Blind in right eye Loss of binocular vision (depth perception)
Left optic nerve	Damaged by infection	Blind in left eye Loss of binocular vision (depth perception )
Optic chiasm	Pressure from pituitary tumor	Temporal hemianopsia
Left optic radiation	Damaged by stroke	Right homonymous hemianopsia
Right cerebral cortex	Damaged by stroke	Left homonymous hemianopsia

Refer back to the How We See handouts in Activity 2A to show where the defects occur.

Keywords:

Visual field, defect, visual defect, visual impairment, visual disorder

Activity Code:

2B

Unit Reference:

Challenges and Changes: Sensitivity to Vision & Hearing Compromises

Lesson Reference:

Lesson 2: How We See

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