Coloured halos are seen in all, except –a) Mucopurulent conjunctivitis b) Acute anterior uveitisc) Tetracyclined) Glaucoma
Correct Answer: bc
Description: Coloured halos are not seen in acute anterior uveitis and this is one of the differentiating points between acute anterior uveitis and acute angle closure glaucoma
Tetracycline does not cause coloured halos.
Important drugs causing coloured halos
Amiodarone
Amyl nitrite
Chloroquine
Chlorpromazine
Cortisone
Digoxin
Fluphenazine
Hydrocortisone
Oral contraceptives
Trimethadione
Prednisolone
Promethazine
Sildenafil
Triflupromazine
Water (sterile)
Category:
Ophthalmology
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