Vitreous haemorrhage is seen in all except
Correct Answer: CRAO
Description: VITREOUS HAEMORRHAGE Vitreous haemorrhage usually occurs from the retinal vessels and may present as pre-retinal (sub-hyaloid) or an intragel haemorrhage. Causes : Causes of vitreous haemorrhage are as follows: 1. Spontaneous vitreous haemorrhage from retinal breaks especially those associated with PVD. 2. Trauma to eye, which may be blunt or perforating (with or without retained intraocular foreign body) in nature. 3. Inflammatory diseases such as erosion of the vessels in acute chorioretinitis and periphlebitis retinae primary or secondary to uveitis. 4. Vascular disorders e.g., hypeensive retinopathy, and central retinal vein occlusion. 5. Metabolic diseases such as diabetic retinopathy. 6. Blood dyscrasias e.g., retinopathy of anaemia, leukaemias, polycythemias and sickle-cell retinopathy. 7. Bleeding disorders e.g., purpura, haemophilia and scurvy. 8. Neoplasms. Vitreous haemorrhage may occur from rupture of vessels due to acute necrosis in tumours like retinoblastoma. 9. Idiopathic. Ref:- A K KHURANA; pg num:-246
Category:
Ophthalmology
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