Test 25
1. In which of the following might you use different plus adds for near 
    in each eye:
a. unilateral Horners

b. unilateral Adies

c. Argyll-Robertson pupils, 

d. Unilateral aphakia

e. Anisometropia


2. The following are true about excimer laser:
a. the laser is derived from a halogenated diatomic 

b. it can be used efficiently in place of scalpel during 
    radial keratometry

c. is  made up of far-ultraviolet wavelength

d. it causes photochemical reaction

e. the cornea is flattened to treat myopia

3. Conditions that can lead to bilateral centro-caecal scotoma

a. chloroquine

b. vitamin B12 deficiency

c. amiodarone

d. ethambutol

e. Strachan's syndrome

4. The following are true about amblyopia

a. neutral density filter decreases the visual acuity

b. reading of single letter is better than a line of letters

c. strabismus is always present

d. it is commoner in hypermetropia than myopia

e. stereoacuity is always reduced

5. Conditions that are typically associated with blue-yellow
    deficiency include:

a. diabetic retinopathy

b. cone dystrophy

c. glaucoma

d. retinitis pigmentosa

e. papilloedema

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