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Binocular Vision Essentials and Prerequisites

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Binocular Vision Essentials and Prerequisites

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Questions and Answers

What does 'binocular vision' refer to?

Using one eye to produce a single mental image

Coordination of both eyes to produce a single mental image (correct)

Closing one eye to help focus the other

Using two eyes separately for different tasks

Which of the following is NOT a prerequisite for binocular vision?

Foveal region stimulated

Corresponding points

Temporal placement of eyes (correct)

Partial decussation of ON fibers

What is the advantage of having binocular vision according to the text?

Higher risk of serious handicap in case of losing one eye

Better discrimination of object details and contours (correct)

Reduced field of vision

Increased likelihood of developing myopia

At what age does the fusional mechanism become fully developed according to the text?

1 ½ years old Signup and view all the answers

What is the significance of aniseikonia in relation to binocular vision?

Leads to unequal retinal images between the two eyes Signup and view all the answers

Which term describes the condition where one eye has optical defects but they are less obvious due to the normal image from the other eye?

Iseikonia Signup and view all the answers

What is the primary advantage of binocular vision mentioned in the text?

Single vision Signup and view all the answers

Which of the following terms describes a condition where the eyes have different refractive powers?

Anisometropia Signup and view all the answers

At what age is a child's visual acuity expected to reach 20/20 according to the text?

3 years old Signup and view all the answers

Which of the following is NOT listed as a prerequisite for binocular vision in the text?

Equal refractive power in both eyes Signup and view all the answers

At what age does the text state that the eyes are expected to be straight?

3-4 months old Signup and view all the answers

Which of the following terms describes a condition where the eyes have different visual axes?

Antimetropia Signup and view all the answers