Optics and Refraction — Flashcards

Pinhole prevents the peripheral rays and also reduces the _____ aberration, thus improving visual acuity

Roving-ring scotoma is seen in the correction of aphakia with _____

Degenerative myopia is _____ common in females as compared to males.

The refraction of light is the maximum at the _____

Shot silk appearance of fundus is seen in _____

Name the type of fused bifocal lens characterized by a round/circular segment.

In duochrome test, if the patient sees the letters of the _____ side clearer, he is overcorrected

Low myopia is defined as a refractive error of ≤ _____ D.

The distance between the points of convergence (focus) of the vertical and horizontal rays in a Sturm's conoid is called the _____ of Sturm.

The concept of reduced eye was introduced by _____