Ophthalmology

Question 1

Blunt trauma commonly occurs due to

Answer 1

Tennis ball injury

Question 2

Cannalicular lacerations repaired using

Answer 2

CRAWFORD silicone tube or MINI- MONOKA stent

Question 3

Vertical tears in Descemet Membrane

Answer 3

Birth Truama

Question 4

Most Common manifestation in Blunt Trauma

Answer 4

Hypha due to hemorrhage from Circulus Iridis Major.

Treatment- Elevate Head of patient + Steroids

Question 5

Blunt Trauma changes in Pupil

Answer 5

Initially miosis then mydriasis.
Iridodialysis- root of iris detached from ciliary body- D shaped pupil- Monocular Diplopia.
Angle Recession- ciliary body ruptures near anterior attachment.

Question 6

Vossius Ring

Answer 6

Imprint of miotic pupil on anterior capsule of lens

Question 7

Rosette Cataract

Answer 7

Posterior Subcapsular Cataract

Question 8

Subluxation of Lens

Answer 8

Lens moves in direction of intact zonules

Question 9

Dislocated Lens

Answer 9

MC into vitreous,

360 zonular fibre rupture

Question 10

Commotio Retinae

Answer 10

Posterior pole, due to Berlins Edema

Question 11

Pathognomic for previous blunt trauma

Answer 11

Bucket Handle Appearance

Question 12

Traumatic Optic Neuropathy

Answer 12

Only light perception present,

RAPD/ AAPD only clinical sign present

Question 13

Ghost Cell Glaucoma

Answer 13

Candy Stripe Sign

Question 14

Rupture of globe site

Answer 14

Vicnity of Schlemm’s Canal- Superonasal Limbus and Sclera- 3mm posterior to Limbus

Question 15

MC IOFB

Answer 15

Iron and Steel- Toxic Metallic

Question 16

Caterpillar Hair

Answer 16

Granulomatous Iridocyclitis- Opthalmia Nodosa

Question 17

Seidels Test

Answer 17

Fluroscein dye

Question 18

Blow out fracture site

Answer 18

Floor of the orbit

Question 19

Panda/ Racoon Eyes

Answer 19

Orbital Roof Fractures

Question 20

Only Acid that penetrates Cornea

Answer 20

Hydrofluoric Acid

Question 21

Oculae Surface Burns Classification

Answer 21

Roper Hall and

Dua Classification

Question 22

Medial wall of orbit

Answer 22

1. Body of sphenoid.
2. Medially- Ethmoidal Air Sinuses.
3. Thinnest

Question 23

MCC of Orbital Cellulitis

Answer 23

Ethmoiditis

Question 24

Floor of Orbit

Answer 24

1. Palatine

Question 25

Infraorbital Foramen

Answer 25

Infraorbital nerve, artery and vein

Question 26

Lateral wall

Answer 26

Greater wing of sphenoid

Question 27

Roof

Answer 27

Lesser wing of sphenoid

Question 28

Supraorbital Foramen

Answer 28

Supraorbital Nerve and Artery

Question 29

Optic Canal

Answer 29

Between Roof and Medial Wall- lesser and greater wing of sphenoid- Optic Nerve and Ophthalmic Artery

Question 30

Superior Orbital Fissure

Answer 30

Roof and Lateral Wall- lesser and greater wing of sphenoid- 3.4.5- opthalmic, 6th Nerves.

Question 31

Inferior Orbital Fissure

Answer 31

Maxillary Nerve, Infraorbital Vein and branches of Pterygopalatine Ganglion