Chapter·OphthalmologyOptics and Refraction

Contact Lens OpticsDownloads

10Questions
10Flashcards
1Tables & Flowcharts

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Practice

Sample Questions

1

How is dioptric power related to focal length?

ADirectly to square of focal length

BInversely to focal length

CDirectly to focal length

DInversely to square of focal length

2

Rigid gas permeable (RGP) lenses are made from which of the following combinations of materials?

AHydroxymethylmethacrylate

BCellulose acetate Butyrate

CPolymethylmethacrylate

DCopolymer of PMMA, Silicon containing monomer & cellulose acetyl butyrate

3

Interstitial keratitis is associated with all of the following except:

ASyphilis

BAcanthamoeba

CChlamydia Trachomatis

DHerpes Zoster Virus (HZV)

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