Ophthalmology General dd7d4e15 0.1 to 0.2 mm nebular corneal opacity is treated by – A Penetrating keratoplasty B Lamellar keratoplasty C Enucleation D Evisceration High-Yield Explanation Central nebular opacity is treated by phototherapeutic keratectomy with an excimer laser (treatment of choice) or lamellar keratoplasty.