Quiz: Exams 2023

1- Bitot spot is seen in

A a) Central retinal artery occlusion B b) Bulbar spring catarrh C c) Vitamin A deficiency D d) Myopic maculopathy

2- All are seen in complete 3rd nerve palsy except :

A a)ptosis B b)Diplopia C c)Mydriasis D d)Outwards eye deviation

3- The treatment of choice for the other eye in angle closure glaucoma is :

A a) Starting medical treatment B b) Regular close follow up C c) YAG laser iridotomy D d) Sub-scleral trabeculectomy

4- Conjunctival congestion is seen in :

A a) Corneal ulcer B b) Muco-purulent conjunctivitis C c) Iridocyclitis D d) Acute congestive glaucoma

5- Spring catarrh :

A a) It is an allergic and seasonal conjunctivitis in response to an endogenous toxins B b) More common in females C c) Characterized by itching, photophobia, lacrimation and ruby discharge D d) Characterized by large cobble stone papillae that commonly involve the fornix

6- A 30 years old male presents with a history of injury to the eye with a leaf of a plant 5 days ago and pain, photophobia and redness for 2 days. What would be the most possible diagnosis?

A a) Traumatic corneal ulcer B b) Fungal keratitis C c) Muco-purulent conjunctivitis D d) Rupture globe

7- The most important sign differentiating orbital cellulitis from cavernous sinus thrombosis is :

A a) Vision B b) Pain C c) Bilaterality D d) Mastoid edema

8- In central Retinal artery occlusion :

A a) Atherosclerosis and carotid emboli are the common causes B b) Papilledema and engorged vessels may be seen in fundus picture C c) It is usually presented with chronic visual loss D d) Fuch’s spot is seen in the macula

Which of the following is not found in papilledema:

A a) Blurred disc margin B b) Blurred vision C c) Engorged retinal veins D d) Optic disc cupping

This finding is not seen in visual field mapping of primary open angle glaucoma :

A a) Ronne’s nasal step B b) Bitemporal hemianopia C c) Seidel scotoma D d) Tubular field

11- A young child suffering from fever and sore throat began to complain of lacrimation. On examination, follicles were found in the lower palpebral conjunctiva with tender preauricular lymph nodes. The most probable diagnosis is

A a) Trachoma B b) Staphylococcal conjunctivitis C c) Adenoviral conjunctivitis D d) Phlyctenular conjunctivitis

12- Night blindness is caused by :

A a)Central retinal vein occlusion B b)Diabetic retinopathy C c)Retinitis pigmentosa D d)Total retinal detachment

13- Regarding dry eye:

A A) Occurs when there is a deficiency in pre-corneal tear film volume or function B b) It is common with young age C c) Xerophthalmia refers to dry eye due to vitamin C deficiency D d) Sever proptosis leads to dry eye due to aqueous layer deficiency

14- Symptoms of senile cataract include the following, except :

A a) Gradual progressive painless diminution of vision B b) Binocular diplopia C c) Day or night blindness D d) Index myopia

15- Advanced keratoconus with opacified cone apex is treated by :

A a) Corneal collagen cross linking B b) Rigid gas permeable contact lenses C c) intra-corneal rings D d) Penetrating keratoplasty.

16- Ptosis in Horner's syndrome, is due to paralysis of :

A a) Horner's muscle B b) Muller's muscle C c) The levator palpebrae superioris muscle D d) Orbicularis oculi muscle

17- Regarding watery eye :

A a) Unilateral watering usually due to over-secretion B b) Positive regurgitation test denotes dacryo-cystitis with common canalicular obstruction C c) Fluorescein dye disappearance test is a simple screening test for checking the lacrimal outflow D d) Probing test can not differentiate between the canalicular and nasolacrimal duct obstruction

18- Herpes simplex keratitis is characterized by the following except :

A a) Dendritic corneal ulceration B b) frequent recurrences C c) Corneal hyposthesia D d) Corneal vascularization

19- As regards the visual pathway :

A a) Decussation of optic nerve fibers occur in the optic chiasma B b) The optic nerve fibers are formed by the axons of bipolar and amacrine cells C c) The optic tract is formed by the nasal fibers of the same eye and the temporal fibers of the other eye D d) The macula is represented in a wide area in the visual cortex of the same side

20- The following is a feature of trachoma :

A a) Phlyctenular conjunctivitis B b) Cobble stone papillae C c) Tranta’s spots D d) Conjunctival scarring

21- Dacryocystorhinostomy :

A a) Is to make anastomosis between lacrimal sac and inferior meatus of the nose B b) It can be done only via an external approach C c) It is the 1st line of treatment in congenital nasolacrimal duct obstruction D d) It is indicated in chronic dacryo-cystitis with healthy sac

22- Causes of sudden loss of vision includes :

A a) Central retinal artery occlusion B b) Retinal detachment C c)Ptosis D d) Myopia

23- A one-month old baby is brought with complaints of photophobia and watering. Clinical examination shows normal tear passages and large, hazy cornea. The most likely diagnosis is :

A a) Congenital dacryo-cystitis B b) Congenital myopia C c) Congenital glaucoma D d) Congenital cataract

24- As regard Cataract :

A a) The commonest cause is diabetes mellitus B b) The only definite treatment is medical. C c) Cortical cataract leads to day blindness while nuclear cataract leads to night blindness. D d) Can lead to secondary glaucoma which is treated by cataract extraction.

25- Aqueous humor is formed by :

A a) Pigmented ciliary epithelium B b) Non-pigmented ciliary epithelium C c) Trabecular meshwork D d) Canal of Schlemm

26- Bilateral aphakia can be treated by :

A a) Intraocular lenses B b) Glasses C c) Refractive surgery D d) All of the above

27- In Keratoconus, all the following are true, except :

A a) Can be diagnosed by corneal tomography B b) Common in eye rubbers and allergic patient C c) Reduced corneal thickness below 480 um D d) Leads to progressive hypermetropia and astigmatism

28- As regards the extra-ocular muscles and squint, the following are true, except :

A a) In apparent squint there will be centric corneal light reflex and no movement with cover uncover test B b) In latent squint the tendency for ocular deviation is inhibited to save binocular vision C c) In paralytic squint, diplopia and compensatory head posture are the most important findings D d) In concomitant squint the angle of squint is not stable in all directions of gaze.

29- Neovascular glaucoma follows :

A a) Non proliferative diabetic retinopathy B b) Central retinal artery occlusion C c) Branch retinal vein occlusion D d) Hypertensive retinopathy

30- As regard of the anatomy of the cornea :

A a) The thickness is symmetrical all over the cornea. B b) Bowman’s membrane is the outermost layer of the cornea. C c) The cornea is avascular and never become vascularized. D d) The endothelium is the innermost layer of the cornea and is responsible for its clarity.

31- As regards irido-cyclitis :

A a) hypopyon is the most diagnostic sign B b) Miotic eye drops should be used in the treatment C c) Topical antibiotics are the main line of treatment D d) Systemic and topical steroids should be used in to overcome the inflammation

32- Phacolytic glaucoma is caused by:

A a) Lens sub-luxation B b) Intumescent cataract C c) Hyper-mature cataract D d) Anterior lens dislocation

33- Regarding uveal tract :

A a) Non pigmented epithelium of the ciliary body and choroid is responsible for aqueous humor formation B b) The choroidal vasculature is responsible for supplying the inner layers of the retina C c) It is the middle vascular coat of the eye D d) Longitudinal fibers of the ciliary muscle are responsible for accommodation

34- Regarding tear film all the following are true except :

A a) Tear film consists of three layers B b) Aqueous layer is secreted by the ciliary processes. C c) Mucous layer is secreted principally by conjunctival goblet cells D d) Lipid layer secreted by the meibomian glands

35- During accommodation all the following actions occur except :

A a) Brings near objects into focus B b) Ciliary muscle contraction C c) Relaxation of the zonules D d) Lens flattens

36- Complications of unilateral congenital cataract :

A a) Sever uveitis B b) Secondary glaucoma C c) Squint D d) Mental retardation

37- In Retinopathy of prematurity the following statements are true except :

A a) It is a vaso-proliferative disorder of the retina which occurs principally in the preterm infant. B b) It may occur when the premature retina is exposed to high oxygen . C c) The main risk factor is Vitamin E deficiency in well developed infants. D d) Threshold disease is confirmed when there are 5 continuous clock hours or 8 cumulative clock hours of retinal pathology .

38- As regards diabetic retinopathy, the following statements are true except :

A a) Diabetic retinopathy can occur with either type I or type II diabetes Miletus. B b) Tractional retinal detachment can be a complication to diabetic retinopathy. C c) Neovascular glaucoma is secondary to iris neovascularization in nonproliferative diabetic retinopathy. D d) Cotton wall spots occur in moderate non-proliferative diabetic retinopathy due to nerve fiber layer infarction secondary to retinal ischemia

39- The optic nerve function is best studied by :

A a) Gonioscopy B b) OCT Angiography C c) Fundus fluorescein angiography D d) Visual evoked potential

40- Corneal sensation is lost in:

A a) Mooren’s ulcer B b) Microbial keratitis C c) Neuroparalytic keratitis D d) Fungal ulcer

1-Causes of sudden loss of vision includes:

A a) Central retinal artery occlusion B b) Retinal detachment C c) Ptosis D d) Myopia

2_Regarding uveal tract

A a) Non pigmented epithelium of the ciliary body and choroid is responsible for aqueous humor formation B b) The choroidal vasculature is responsible for supplying the inner layers of the retina C c) Distortion of the seen object is called metamorphopsia D d) Longitudinal fibers of the ciliary muscle are responsible for accommodation

3_As regards irido-cyclitis

A a) hypopyon is the most diagnostic sign B b) Miotic eye drops should be used in the treatment C c) Topical antibiotics are the main line of treatment D d) Systemic and topical steroids should be used in to overcome the inflammation

4*: In central Retinal artery occlusion

A a) Atherosclerosis and carotid emboli are the common causes B b) Papilledema and engorged vessels may be seen in fundus picture C c) It is usually presented with chronic visual loss D d) Fuch's spot is seen in the macula

5* Symptoms of senile cataract include : the following, except

A a) Gradual progressive painless diminution of vision B b) Binocular diplopia C c) Day or night blindness D d) Index myopia

6* Ptosis in Horner's syndrome, is due to :paralysis of

A a) Horner's muscle B b) Muller's muscle C c) The levator palpebrae superioris muscle D d) Orbicularis oculi muscle

7* Neovascular glaucoma follows

A a) Non proliferative diabetic retinopathy B b) Central retinal artery occlusion C c) central retinal vein occlusion D d) Hypertensive retinopathy

8* As regards the errors of refraction, the following are true except

A a) In myopia, parallel light rays are collected at a point in front of the retina B b) Progressive myopia may be complicated by maculopathy, sub- macular hemorrhage and retinal detachment C c) Hypermetropia can be treated by convex lenses, LASIK, PRK or radial keratotomy D d) In simple astigmatism, one meridian is emmetropic and the other is ametropic

9_As regards the extra-ocular muscles and squint, the following are true, except:

A a) In apparent squint there will be centric corneal light reflex and no movement with cover uncover test B b) In latent squint the tendency for ocular deviation is inhibited to save binocular vision C c) In paralytic squint, diplopia and compensatory head posture are the most important findings D d) In concomitant squint the angle of squint is not stable in all directions of gaze.

10_As regard of the anatomy of the cornea

A a) The thickness is symmetrical all over the cornea. B b) Bowman's membrane is the outermost layer of the cornea. C c) The cornea is avascular and never become vascularized. D d) The endothelium is the innermost layer of the cornea and is responsible

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