Geometric Optics — Flashcards

_____ test is based on chromatic aberration and is used to refine the final sphere in subjective refraction

The refraction of light is the maximum at the _____

Orthokeratology is used for treatment of _____

Refractive power (dioptre) =  1/_____

_____ is an objective method used to determine the error of refraction by applying the method of neutralization.

The refractive index is the maximum at the _____

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

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

The following retinoscope is also called _____

What is the name of the following test used for testing colour vision? _____