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Ophthalmology

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Eyelid

Question
11 out of 17
 

Stocker line is seen in? (AIIMS Nov 2010)



A Pterygium

B Pinguicula

C Congenital conjunctival melanosis

D Congenital ocular melanosis

Ans. A Pterygium

Pterygium ----

1. It is a degenerative condition of subconjunctival tissue which proliferate as vascularized granulation tissue to invade cornea, destroying superficial layer of stroma and Bowman’s membrane, the whole being covered by conjunctival epithelium

2. Pterygium usually follows pinguecula when alone it is usually on nasal side of limbus

3. In early stages it is thick and vascular becomes thin and pale when ceases to grow but never disappear

4. Deads to astigmatism

5. Condition is symptom Less but becomes symptomatic when it encroach pupillary area

6. The condition is common in dry sunny climates with sandy soils

Treatment

A pterygium is best left alone unless it progress towards pupillary area surgical excision and a lamellar graft inserted over affected area. Graft can be auto conjunctival or an amniotic membrane graft

Pingicula

Various Condition Where Iron Deposit As Hemosiderin

1. Stocker’s Line---found in pterygium at the edge of triangular encroachment Iron is deposited as hemosiderin

2. Flescher’s Line----found in keratoconus deposition of iron around base of cone

3. Ferry’s Line--- around filtering bleb

4. Hudson’s Stahli’s Line ---Brown horizontal line in inferior third of cornea / along closure of palpebral aperture

Other Named Ocular Pigmentation Condition

1. Argyrosis— AgNo3 deposition in Descemts membrane, brown in colour

2. Kayser Fleischer ring---deposition of copper just inside limbus on descimets chalcosis

3. Krukenberg Spindle—found in myopic men vertical spindle shaped brown iris pigment-Melanine

4. Topical epinephrine also cause black deposits on cornea.

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