Coloured halos are seen in all, except –

Causes of coloured halos Corneal edema Glaucoma (elevated IOT) Closed-angle glaucoma Open-angle glaucoma Early stages of cataract Too intense exposure to light (snow blindness) Vitreous opacities :- hemorrhage, asteroid bodies Asymmetric placement of intraocular lens Mucopurulent conjunctivitis Epiphora Hypoglycemia Myopia Foreign body Drugs Corticosteroids Amiodarone Digoxin Chloroquine OCPs