MCQ-QA3

All the letters of the Snellen Chart from the 6/6 line to the 6/60 line would all subtend at an angle of

• 5 minutes of arc

• 50 minutes of arc

• 15 minutes of arc

• 2 minute of arc

The numbers from a visual acuity exam all hinge on what a “normal” person can see at a distance of ____

• 6 feet

• 20 feet

• 20 m

• 6m

The number of letters in the line 6/9 in Snellen's chart is

• Five

• Six

• Seven

• Nine

Identify the angle subtended by top most letter of Sellen's chart at a distance of 6m

• 5 min

• 20 min

• 50 min

• 30 min

A child presented with difficulty in seeing the black board in school. His teachers say that he frequently squeezes his eyes. Most probable cause is

• hypermetropia

• myopia

• presbyopia

• astigmatism

Which of the following are used is used for the treatment of Myopia

• Nd YAG laser

• Excimer laser

• carbamazepine

• SSRI

Which is responsible for colour detection?

• Cones

• Rods

• Rods and Cones

• choroid

Myopia is also known as

• Far Sightedness

• Near Sightedness

• Short-Sightedness

• Both B & C

Progressive myopia refers to

• Pathological myopia

• Degenerative myopia

• Both A & B

• None of these

______ contains circular and radial muscles.

• Retina

• Lens

• Pupil

• Iris