Ptosis Ptosis (also known as blepharoptosis ) is drooping of the upper eyelid, so that an upper eyelid rests at a lower position than is normal.
[m.ivyroses.com]
Drug induced Antihypertensives, Guanacline, Iodine, Isoprenaline, Lead, Mercury, Naproxen, Oxphenbutazone, Phenylbutazone, Sulfisoxazole, Thiocyanate, Thiouracil, Valproic
[medicine.uiowa.edu]