Mama, please see your OB right away or go to the emergency room, blurry vision after surgery isn't something to wait on, kaya go na talaga.
Abdominal pain at the swelling might be normal recovery, pero ang vision change ay dapat i-check agad kasi it could be something na kailangan ng urgent care. Better safe than sorry, lalo na first-time mom ka pa at at age 39. Tawagan lang agad ang OB mo or pumunta sa nearest hospital if you can't reach them.
Feeling ko worried ka about the medicines, pero yan ang best way to find out, the doctor can check everything at once. You've got this, and you're doing the right thing by being alert to changes. Malakas ka na, mama!