Frenzel Glasses

Frenzel Glasses

Q. 1

Illuminated frenzel glasses are used in detecting‑

 A

Nystagmus

 B

Heterophoria

 C

Esotropia

 D

Astigmatism

Q. 1

Illuminated frenzel glasses are used in detecting‑

 A

Nystagmus

 B

Heterophoria

 C

Esotropia

 D

Astigmatism

Ans. A

Explanation:

Ans. is ‘a’ i.e., Nystagmus

Illuminated frenzel galsses (+20 lenses) are useful for abolishing fixation and thus revealing peripheral vestibular nystagmus.

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