BV LAB 1 Flashcards

1
Q

What is heteroptropia?

A

Heterotropia is a manifest deviation (strabismus) in which the foveas of both eyes are not simultaneously aligned on the object of regard.

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2
Q

What is heterophoria?

A

Heterophoria is a latent deviation in which the visual axes are normally directed to the fixation object, but deviate when the eyes are dissociated.

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3
Q

When is orthophoria present?

A

Orthophoria, is present when there is no deviation on dissociation.

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4
Q

Why does decompensation of heterophoria occur?

A
  • Uncorrected refractive error
  • Accommodative anomalies
  • Anisekonia
  • Occupational (poor working conditions)
  • Reduced fusional reserves
  • Secondary to pathology
  • Poor general health
  • Medicine
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5
Q
A
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