Tuesday 13 September 2016

Cataract Evaluation | PGI MCQs for MD MS Preparations

Cataract is evaluated by

A. Gonioscopy 
B. Tonometry
C. stereoaquity 
D. Contrast
E. Colour vision


The Answer is. (A) Gonioscopy; (B) Tonometry; (E) Colour vision
Pre-operative thorough evaluation should be carried out before surgery. This include
I. (a) General medical condition of the patient to include the presence of serious systemic diseases like DM, HTN,
Cardiac problem, COPD, any potential source of infection in the body such as septic gum, UTI etc.
II. Ocular examination
A thorough examination of eyes including slit-lamp biomicroscopy is desirable in all cases.
a) Retinal function test –
* Perception of light (PL).
* Test for Marcus Gum Pupillary response.
* Projection of rays.
* Two light discrimination test.
* Maddox rod test.
- Electrophysiological study e.g., ERG, EOG and VER and indirect ophthalmoscopy if possible.
b) Search for local source of infection as conjunctival or related organ infections

c) Pre-operative evaluation of intra-ocular pressure – tonometry, gonioscopy – ant. Chamber visualization