Retinal Anatomy and Physiology — MCQs

Optic disc changes of retinitis pigmentosa:

Maximum cones are seen in:

What is the primary function of G-proteins in cellular signaling?

What type of deposit is commonly associated with age-related macular degeneration?

Which substance is most likely to increase in the rods of the retina when the light is turned on?

A 60-year-old man presents with sudden loss of vision in one eye. Fundoscopy shows a cherry-red spot. What is the most likely diagnosis?

Which of the following best describes the electrical response of the rods to light?

The best investigation for diagnosing Best disease is

A 40-year-old male experiences flashes of light. Which of the following can likely be the reason?

Which of the following treatments is not suitable for advanced proliferative diabetic retinopathy with extensive vitreoretinal fibrosis and tractional retinal detachment?