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Neet PG > Ophthalmology > Flashcards

Ophthalmology Flashcards

1
Q

Blunt trauma commonly occurs due to

A

Tennis ball injury

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2
Q

Cannalicular lacerations repaired using

A

CRAWFORD silicone tube or MINI- MONOKA stent

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3
Q

Vertical tears in Descemet Membrane

A

Birth Truama

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4
Q

Most Common manifestation in Blunt Trauma

A

Hypha due to hemorrhage from Circulus Iridis Major.

Treatment- Elevate Head of patient + Steroids

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5
Q

Blunt Trauma changes in Pupil

A

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.

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6
Q

Vossius Ring

A

Imprint of miotic pupil on anterior capsule of lens

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7
Q

Rosette Cataract

A

Posterior Subcapsular Cataract

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8
Q

Subluxation of Lens

A

Lens moves in direction of intact zonules

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9
Q

Dislocated Lens

A

MC into vitreous,

360 zonular fibre rupture

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10
Q

Commotio Retinae

A

Posterior pole, due to Berlins Edema

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11
Q

Pathognomic for previous blunt trauma

A

Bucket Handle Appearance

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12
Q

Traumatic Optic Neuropathy

A

Only light perception present,

RAPD/ AAPD only clinical sign present

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13
Q

Ghost Cell Glaucoma

A

Candy Stripe Sign

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14
Q

Rupture of globe site

A

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

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15
Q

MC IOFB

A

Iron and Steel- Toxic Metallic

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16
Q

Caterpillar Hair

A

Granulomatous Iridocyclitis- Opthalmia Nodosa

17
Q

Seidels Test

A

Fluroscein dye

18
Q

Blow out fracture site

A

Floor of the orbit

19
Q

Panda/ Racoon Eyes

A

Orbital Roof Fractures

20
Q

Only Acid that penetrates Cornea

A

Hydrofluoric Acid

21
Q

Oculae Surface Burns Classification

A

Roper Hall and

Dua Classification

22
Q

Medial wall of orbit

A
  1. Body of sphenoid.
  2. Medially- Ethmoidal Air Sinuses.
  3. Thinnest
23
Q

MCC of Orbital Cellulitis

A

Ethmoiditis

24
Q

Floor of Orbit

A
  1. Palatine
25
Q

Infraorbital Foramen

A

Infraorbital nerve, artery and vein

26
Q

Lateral wall

A

Greater wing of sphenoid

27
Q

Roof

A

Lesser wing of sphenoid

28
Q

Supraorbital Foramen

A

Supraorbital Nerve and Artery

29
Q

Optic Canal

A

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

30
Q

Superior Orbital Fissure

A

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

31
Q

Inferior Orbital Fissure

A

Maxillary Nerve, Infraorbital Vein and branches of Pterygopalatine Ganglion

Neet PG (1 decks)

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