acute onset bilateral myopia induced by chlordiazepoxide

Oral drugs may have adverse effects that affect vision. there are some drugs that are confirmed to induce ciliary effusion such as topiramate and hydrochlorothiazide. different mechanism for myopic shift have been explained. most of these mechanisms are related to choroidal effusion and increasing the lens thickness. here we present a case of sudden onset decreased vision after consumption of chlordiazepoxide for a while.to the best of our knowledge this is the first case of myopic shift after chlordiazepoxide consumption.