Questions and Answers
A Scan biometry measurements are essential
before what type of Surgery ? - answer-Cataract Surgery
A Scan Biometry is used to measure the ? - answer-Axial length of the eye
A scan biometry and keratometry readings are used to determine ? - answer-The
power needed for a intraocular lens
Optician - answer-Eye care personal specializes in fitting spectacles
Orthoptist - answer-Eye care personal specializes with eye movement and the
extraocular muscles
What test illuminates the screen with a filter that is red on one side and green on the
other ? - answer-Worth 4 - dot
Vertex Distance - answer-The distance from the cornea to the back surface of the
spectacle lens
Rim - answer-Part of the spectacles connects the two lenses
The measurement used to determine the distance between the optical center of
spectacle lenses is the - answer-Pupillary distance ( PD )
The optical centers of spectacle lenses must be properly aligned in order to avoid
this effect ? - answer-Prismatic
Which eye drop paralyzes accommodation and thereby allows all of the hyperopia to
be uncovered ? - answer-Cycloplegic
Retinoscopy is an example of what type of refractometry - answer-Objective
Bending of light is called - answer-refraction
The condition in which the eye does not refract light equally in all directions is ? -
answer-Astigmatism
In retinoscopy with a reflex is most commonly observed in which refractive error ? -
answer-Hyperopia
The best way to guide a partially sighted patient to an exam room is - answer-
offering your arm