Ophthalmology test p.1

Lens develops from. Neural ectoderm. Surface ectoderm. Optic vesicle. All of the above.

Retina develops from. Surface ectoderm. Mesoderm. Optic vesicle. Embryonic fissure.

Muscules controlling pupil arise from. Mesoderm. Ectoderm. Endoderm. None of the above.

The avascular structure of eye is. Choriod. Lens. Conjunctiva. Ciliary body.

Aqueous humor is secreted by. Angle of anterior chamber. Choriod. Ciliary body. Iris.

Optic disc is also known as. Macula lutea. Blind spot. Fovea. Rods and cones.

Superior oblique muscle is supplied by the. Optic nerve. Third cranial nerve. Fourt cranial nerve. Sixth cranial nerve.

The sensory nerve supply of the eye is by the. Optic nerve. Third cranial nerve. Fifth cranial nerve. Seventh cranial nerve.

Optic nerve contains. Pigment layer. Ganglion cell layer. Nerve fibre layer. All of the above.

The junction of cornea and sclera is known as. Angle of anterior chamber. Ciliary body. Pupil. Limbus.

Tarsal plate is situated in. Eyebrow. Eyelid. Lacrimal apparatus. Conjunctiva.

Optic nerve head swelling is asociated with: Neuritis. Ischemic neuropathie. Glaucoma. Intracranial hypertension.

Lamina cribrosa is present in. Choroid. Ciliary body. Sclera. Retina.

Suspensory ligament extends between lens and. Iris. Ciliary body. Choroid. Limbus.

Oculomotor nerve palsy features include all, EXCEPT. Fatial weakness. Divergent squint. Dilated fixed pupil. Absent accommodation.

The normal trichromatic colours vision consist of following colours. Red, blue, yellow. Red, blue, green. Red, blue, white. Red, green, yellow.

The trichromatic theory of colour vision has been propounded by. Schiotz. Von Graefe. Young-Helmholtz. None of the above.

The intraorbital lenght of the optic nerve is. 1 mm. 5 mm. 10 mm. 25 mm.

The total lenght of the optic nerve is. 2.5 cm. 3 cm. 4.5 cm. 5 cm.

The neuron of the 1st order in the visual pathway lies which layer of retina. Inner plexiform. Outer plexiform. Optic nerve fibre. None of the above.

Lesion of the optic tract causes. Homonymous hemianopia. Bitemportal hemianopia. Binasal hemianopia. Ipsilateral blindness.

Scotopic vision is due to. Cones. Rods. Both. None.

Visual acuity is a record of. Light sense. Form sense. Contrast sense. Colour sense.

Visual centre is situated in. Parietal lobe. Frontal lobe. Midbrain. Occipital lobe.

Optic nerve extends up to. Optic chiasma. Optic tracts. Lateral geniculate body. Optic radiations.

Visible spectrum extends from. 100-300 nm. 300-650 nm. 400-700 nm. 720-920 nm.

Vortex vein drain. Iris and ciliary body. Sclera. Uveal tract. Retinal.

Highest visual resolution is seen in. Macula lutea. Fovea centralis. Optic disc. Ora serrata.

Second neuron in the optic pathway is present in. Superior colliculus. Retina. Medial geniculate body. Lateral geniculate body.

Bitemporal hemianopia is seem with. Pituitary tumors. Temporal SOL. Frontal SOL. Retinoblastoma.

Ciliary congestion is most marked at the. Sclera. Fornix. Bulbar conjunctiva. Limbus.

Superficial vascularisation of cornea has all the following features, EXCEPT. Irregular and tortuous vessel. Rich dendritic branching. Vessels continuous with conjunctival vessel. Vessels lie deep to Browman´s membrane.

Corneal thickness is measured by. Keratometer. Vernier scale. Pachymeter. None of the above.

Keratometry is used in the measurement of. Length of eyeball. Curvature of cornea. Diameter of cornea. Thickness of cornea.

Corneal sensations are reduced. Hypopyon ulceral. Phylctenular keratitis. Herpes simplex. Arcus senilis.

Corneal staining is done by following vital stains. Iodine. Fluorescein. Carbolic acid. Silver nitrate.

All of the following result in loss of corneal sensation EXCEPT. Acute congestive glaucoma. Absolute glaucoma. Dendritic ulcer. Senile mature catarac.

The normal depth of anterior chamber is. 1 mm. 3 mm. 2,5 mm. 3,5 mm.

Anterior chamber is shallow in. Buphthalmos. Open angle glaucoma. Closed angle glaucoma. Aphakia.

Dilated pupil is seen in all of the following EXCEPT. Pontine haemorrhage. Optic atrophy. Acute glaucoma. Papillitis.

Tremulousness of iris is seen in. Chronic iridocyclitis. Closed angle glaucoma. Aphakia. None of the above.

Pupil is pinpoint in. Optic atrophy. Absolute glaucoma. Atropine. Iritis.

White papillary reflex is seen in. Retinoblastoma. Congenital cataract. Complete retinal detachment. All of the above.

In a frightened man, the pupil shall. Dilate. Constrict. Remain unaltered. First dilate an then constrict.

In aphakia there is absence of following Purkinje-Sanson´s images. 1st and 2nd. 3rd. 4th. 3rd and 4th.

The normal intraocular pressure is (Schiotz). 10-15 mm Hg. 10-20 mm Hg. 25-30 mm Hg. Less than 10 mm Hg.

The most accurate method of measuring IOP is. Digital. Applanation. Schiotz. Gonioscopy.

Near vision is recorded at a distance of. 10 cm. 25 cm. 35 cm. 50 cm.

Distant vision is recorded at a distance of. 1 m. 2 m. 3 m. 6 m.

Normal field of vision extends on the nasal side to. 40º. 50º. 60º. 70º.

Peripheral field of vision is tested by. Bjerrum´s screen. Snellen´s chart. Lister´s perimeter. Indirect ophthalmocopy.

Central field of vision is limited up to. 20º. 30º. 40º. 50º.

Distant direct ophthalmoscopy is done at a distance of. 1 m. 6 m. 22 cm. Close to the face.

In indirect ophthalmoscopy the image is. Inverted, real, magnified. Erect, real, magnified. Erect, virtual, magnified. None of the above.

In direct ophthalmoscopy the image is. Virtual, erect,magnified. Virtual, inverted, condensed. Real, inverted, magnified. Real, erect, condensed.

Periphery of retina is best visualized with. Direct ophthalmoscopy. Indirect ophthalmoscopy. Retinoscopy. USG.

“A” wave in ERG correspond to activity in. Rods. Pigment epithelium. Inner retinal layer. Nerve bundle layer.

Campimetry is used to measure. Squint. Angle of deviation. Pattern of retina. Field charting.

Angle of anterior chamber is studied with. Indirect ophthalmoscopy. Gonioscopy. Retinoscopy. Amblyoscope.

Direct ophthalmoscopy magnification of image in comparison to indirect type (+13D lens) is - time in emmetropes. 2. 3. 5. 6.

Temporal crescent is seen typically in. Astigmatism. Hypermetropia. Myopia. None of above.

Blurring of vision for near work occurs in. Hypermetropia. Presbyopia. Both of the above. None of above.

Optical conditions of aphakia include all EXCEPT. Loss of accommodation. Astigmatism against rule. Enlargement of retinal image. Myopia.

Unilateral aphakia can be treated by. Contact lens. Intraocular lens implant. Both. None.

Standard power of posterior chamber intraocular lens is. + 20 D. + 5 D. + 10 D. + 15 D.

Cylindrical lenses are prescribed in. Presbyopia. Astigmatism. Myopia. Squit.

A newborn is invariably. Hypermetropic. Myopic. Astigmatic. Aphakic.

Astigmatism is a type of. Axial ametropia. Index ametropia. Curvature ametropia. Spherical aberration.

Hypermetopia causes. Divergent squint. Convergent squint. Both of above. None of above.

In retinoscopy using a plane mirror, when the mirror is tilted to the right the shadow in the pure moves to the left in. Hypermetropia. Myopia more than – 1 D. Emmetropia. Myopia less than – 1 D.

Optical condition of the eye in which the refraction of the two eyes differs is. Mixed astigmatism. Irregular astigmatism. Anisometropia. Compound astigmatism.

Latent hypermetropia is detected when following mydriatic is used. Adrenaline. Phenilephrine. Cyclopentolate. Atropine.

Radial keratotomy is useful in. Myopia. Hypermetropia. Presbyopia. Aphakia.

Incident parallel rays come to focus posterior to the light sensitive layer of retina in. Aphakia. Hypermetropia. Both of the above. None of the above.

The complications of myopia include all EXCEPT. Vitreous degeneration. Retinal detachment. Cataract. Closed angle glaucoma.

Indistinct distant vision is seen in. Presbyopia. Myopia. Hypermetropia. None of the above.

The type of lens used for correction of regular astigmatism includes. Biconvex lens. Biconcave lens. Cylindrical lens. None of the above.

Pseudopapillitis is seen in. Hypermetropia. Myopia. Presbyopia. None of the above.

Contact lenses may be useful in treatment of all EXCEPT. Keratoconus. Refractive anisometropia. Fuch´s endothelial dystrophy. Severe keratoconjunctivitis sicca.

Prisms are used in ophthalmology to measure and to treat. Heterophoria. Heterotropia. Both. None.

Hard contact lens is made up of. HEMA. PMMA. PVP. PVC.

Biconvex lens is used in all EXCEPT. Aphakia. Presbyopia. Astigmatism. Hypermetropia.

In compound hypermetropic astigmatism. Both the foci are in front of retina. Both the foci are behind of retina. One focus is in front and one focus is behind the retina. None of the above.

Determination of the refraction is done by all EXCEPT. Retinoscopy. Refractometer. Keratometer. Perimeter.

Retinoscopy is done in a dark room at a distance of. 1 m. 2 m. 3 m. 6 m.

Drug of choice for papillary dilatation in children is. Atropine. Homatropine. Scopolamine. Cyclopentolate.

Out of the following which is the shortest acting mydriatic. Tropicamide. Homatropine. Cyclopentolate. Atropine.

Frequent change of presbyopic glasses is an early symptom of. Closed angle glaucoma. Open angle glaucoma. Senile cataract. After cataract.

Accommodation is maximum in. Childhood. Adulthood. Middle-age. Old age.

Treatment of choice in aphakia is. Spectacles. Contact lens. Anterior chamber IOL. Posterior chamber IOL.

All the following are serous acinous glands EXCEPT. Krause´s glands. Meibomian glands. Lacrimal glands. Salivary gland.

Natural protective mechanisms of conjunctiva include. Low temperature. Flushing due to tears. Blinking of eyelids. All of the above.

Follicles are not seen in which of the following. Spring catarrh. Trachoma. Adenovirus conjunctivitis. Streptococcal conjunctivitis.

Angular conjunctivitis is caused by. Staphylococcus. Pneumococcus. Virus. Morax-Axenfeld bacillus.

Eyes should not be bandaged in. Corneal ulcer. Purulent conjunctivitis. Glaucoma. Retinal detachment.

Blood vessels in a trachomatous pannus lie. Beneath the Descement´s membrane. In the stroma. Between Bowman´s membrane and stroma. Between Bowman´s membrane and epithelium.

Cobblestone appearance of the conjunctiva is seen in. Spring catarrh. Angular conjunctivitis. Eczematous conjunctivitis. Trachoma.

The HP inclusion bodies in trachoma are. Intranuclear. Intracytoplasmic. Both. None.

Sequelae of trachoma include. Pseudoptosis. Cicatricial entropion. Trichiasis. All of the above.

The pathognomonic features of trachoma are all EXCEPT. Follicles. Papillae. Herbert’s pits. Pannus.

Herbert´s pits are seen on the. Lid margin. Palpebral conjunctiva. Arlt´s line. Limbus.

Promising treatment of epidemic keratoconjunctivitis is by. Oxytetracycline. Sulphacetamide 30%. Chloramphenicol. Adenine arabinoside.

As a complication of acute mucopurulent conjunctivitis, the corneal ulcers that develop as. Marginal. Central. Anywhere on cornea. No where.

True membranous conjunctivitis is caused by. Trachoma. Morax-Axenfeld bacillus. Virus. Diphtheria.