World Optometry Day Quiz - 2022

Which of the following muscle contribute lacrimal pump mechanism

• A MR
• B LPS
• C Muller muscle
• D Orbicularis oculis

When the eyes move in opposite directions simultaneously ,This movement is called

• A Duction
• B Version
• C Vergence
• D Torsion

In which structure would you suspect a lesion in a patient with an abnormal menace reflex

• A IV cranial nerve
• B V cranial nerve
• C Occipital cortex
• D Brain stem

All of the following are known to cause a complicated cataract except

• A Diabetes
• B Iridocyclitis
• C Retinal dystrophies
• D Ocular ischemia

Studies indicate that contact lens wear tends to

• A Increase PH
• B Decrease PH
• C Have no effect on PH
• D Have an unpredictable effect on PH

Argon laser is not useful in

• A Retinitis pigmentosa
• B Diabetic retinopathy
• C Retinal detachment
• D CRV occlusion

Ring scotoma is seen in

• A Glaucoma
• B Vitreous hemorrhage
• C Sympathetic ophthalmia
• D Retinitis pigmentosa

Foster Fuchs spots are seen in

• A Hypermetropia
• B Myopia
• C Sympathetic ophthalmia
• D Black eye

Night blindness is due to

• A Vit A deficiency
• B High myopia
• C Retinitis pigmentosa
• D All of the above

Which of the following is used for treatment of myopia

• A Argon laser
• B Hormium laser
• C YAG laser
• D Excimer laser

Which of the following lens materials has the highest Abbe value?

• A PMMA
• B CR-39
• C Crown Glass
• D Polycarbonate

Angular conjunctivitis is caused by

• A Moraxella
• B Heamophilus influenza
• C Streptococcus pneumonia
• D Aspergillus

Artificial tears is produced by

• A Methyl cellulose
• B Polyvinyl alcohol
• C Hyaluronate
• D All of the above

Cobble stone appearance is seen in

• A Spring catarhh
• B Viral conjunctivitis
• C Phlyctenular conjunctivitis
• D Bacterial conjunctivitis

Pterygium is

• A An inflammatory response
• B A connective tissue disorder
• C An infection
• D Associated with vitamin A deficiency

A mother noticed mucopurulent discharge from the right puncta of her 3 month old child .There is h/o watering from his right eye treatment is :

• A Syringing
• B Probing with syringing
• C Sac massage with topical antibiotics
• D Dacryocysto-rhinostomy

A' wave in ERG corresponds to activity of

• A Rods and Cones
• B Pigment epithelium
• C Nerve bundle layer
• D None of the above

Anomaloscope is used to detect

• A Squint
• B Retinoscopy
• C Congenital glaucoma
• D Colour blindness

YAG laser wave is

• A Red
• B Blue
• C Green
• D Colorless

Depth of anterior chamber of eye is

• A 2-3mm
• B 3-4mm
• C 4-5mm
• D 6-8mm

Thickness of cornea is measured by

• A Keratometer
• B Pachymeter
• C Tonometer
• D Aesthesiometer

EOP of contact lens is measure of

• A Surface wettability of the lens
• B Thickness of the lens
• C Amount of oxygen in the tears behind the lens
• D None of the above

A prominent epicanthal fold leads to false diagnosis of

• A Exotropia
• B Hypermetropia
• C Esotropia
• D Hypotropia

Refractive index of given lens material is

• A Transparency
• B Specific gravity
• C Resistance to the speed of light
• D Diffusion

If a minus lens has a focal point 100cmfrom the lens,what is the diopteric power of the lens

• A 1D
• B 10D
• C 20D
• D 100D

Which structure is composed of modified skin yet contains goblet cells

• A Plica semilunaris
• B Caruncle
• C Forniceal conjunctiva
• D Pinguecula

For a drug to penetrate the cornea it must have

• A Hydrophilic properties
• B It must be ionized
• C Biphasic properties
• D Negative charge

Coloured halos around lights can result from:

• A Actinic conjunctivitis ( snow blindness)
• B Sudden increase in intra ocular pressure
• C Edema in the corneal epithelium
• D A and C

Diabetic cataract is due to accumulation of

• A Glucose
• B Fructose
• C Galactose
• D Sorbitol

Sun flower cataract is seen

• A Diabetes
• B Chalcosis
• C Trauma
• D Hyperthyroidism