Wednesday, 1 January 2014

Ocular Pathognomonics



Ocular Pathognomonics
 1. Arlt's Line --> Pathognomonic of a healed  Trachoma.
 2. Bone spicule pigmentation --> Retinitis  pigmentosa.
 3. Busaca Nodules --> Granulomatous Anterior  uveitis.
 4. Bitot's spots --> a conjunctival triangular  white  patches, pathognomonic of Dry eye.
 5. Black sunburst ---> RPE Hyperplasia in Sickle  Cell  Retinopathy.
 6. Bull's Eye Maculopathy -->
Chloroquine  toxicity,
HydroxyChloroquine toxicity,
 Cone  dystrophy &
Batten Mayou syndrome.
 7. Cobble stone papillae --> Spring catarrh.
 8. Cornea verticillata --> Amiodarone side  effect .
Other Causes ---> chloroquine,Fabry's  disease,Indomethacin.
 9. Cherry red macula --> CRAO
 10. Chocked disc --> Papilloedema.
 11. Candlewax drippings (Retinochoroidal  exudate) --> sarcoid periphlebitis (Ocular  Sarcoidosis).
 12. Egg yolk appearance --> Vitelliform macular  dystrophy (Best disease).

 13. Eclipse sign --> Shallow Anterior chamber

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