Preventable Blindness Practice Questions

Question 1

Arcuate field defect akin to glaucoma is seen in?

Accepted Answer

Optic nerve lesion

Answer

Pituitary adenoma

Answer

Posterior cerebral artery infarct

Answer

None of the options

Question 2

A multivariate analysis was conducted to examine the relationship between risk of developing blindness and age. The results are shown in the table below. Which of the following is true?

Accepted Answer

>80 y age group has the strongest association with blindness risk

Answer

60-69 y age group shows statistically significant association with blindness

Answer

<50 y age group serves as the reference category

Answer

50-59 y age group has the highest odds ratio for blindness risk

Question 3

What does a visual acuity test primarily assess?

Accepted Answer

Ability to recognize shapes and details

Answer

Ability to perceive light

Answer

Ability to differentiate colors

Answer

Ability to detect contrast

Question 4

All of the following conditions are immediate priorities in the WHO's "Vision -2020: The Right to sight" except:

Accepted Answer

Epidemic conjunctivitis

Answer

Cataract

Answer

Onchocerciasis

Answer

Trachoma

Question 5

Under NPCB, screening of school children is first done by -

Accepted Answer

School teachers

Answer

Ophthalmologic assistant

Answer

Medical officer

Answer

Village health guide

Question 6

Which of the following procedures is not typically covered by the National Programme for Control of Blindness (NPCB) for reimbursement of surgery done by a non-governmental organization (NGO) eye hospital?

Accepted Answer

Syringing and probing of the nasolacrimal duct

Answer

Cataract surgery

Answer

Pan retinal photocoagulation for diabetic retinopathy

Answer

Trabeculectomy surgery

Question 7

What is the definition of blindness according to WHO?

Accepted Answer

Visual acuity of less than 3/60 in the better eye

Answer

Visual acuity of less than 10/60 in the better eye

Answer

Visual acuity of less than 20/60 in the better eye

Answer

Visual acuity of less than 6/60 in the better eye

Question 8

Vision 2020 "The right to sight" includes all except-

Accepted Answer

Measles induced blindness

Answer

Onchocerciasis

Answer

Trachoma

Answer

Cataract

Question 9

The golden period of eye donation is

Accepted Answer

6 hours

Answer

24 hours

Answer

12 hours

Answer

18 hours

Question 10

Regarding Chlamydia infection of the eyes, true statements include the following except:

Accepted Answer

Penicillin is the treatment

Answer

Inclusion conjunctivitis is an acute ocular infection caused by sexually transmitted C. trachomatis strains (usually serovars D through K)

Answer

Can be cultured

Answer

Acute inclusion conjunctivitis typically presents with mucopurulent discharge

Preventable Blindness — MCQs

Preventable Blindness — MCQs

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