Classes were closed from Apr 21 – Apr 27 due to the searing heat
Lions Club International organised the free treatment camp at the town's Shishu Niketan School on Friday.
Its regional chairperson Md Ruhul Amin Bhuiyan said five doctors prescribed medicines to 1,500 ophthalmic patients.
About 500 destitute patients were given free medicines, he added.
Doctors have selected over 150 patients for cataract surgery. They will be operated free of cost on next Saturday and Sunday at Narsinghdi Lions Ophthalmology Hospital.