Chapter·OphthalmologyOptics and Refraction

Subjective RefractionDownloads

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Sample Questions

1

A 50-year-old patient has difficulty reading close objects. Likely diagnosis?

AHypermetropia

BAstigmatism

CMyopia

DPresbyopia

2

What is the true statement about retinoscopy with a plane mirror?

AIn myopia, the red glow moves in the same direction.

BRetinoscopy is done at 1 meter away from the patient.

CIn hypermetropia, the red glow moves in the opposite direction.

DIn emmetropia, the red glow moves in the opposite direction.

3

What type of refractive error is astigmatism, which is characterized by non-spherical curvature of the cornea or lens?

ASpherical aberration

BCurvatural ametropia

CIndex ametropia

DAxial ametropia

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