The central nebular corneal opacity is easily treated with -.
Nebular corneal opacity. It is a faint opacitywhich results due to superficial scars involvingBowman's layer and superficial stroma . A thin, diffuse nebula covering thepupillary area interferes more with vision than thelocalised leucoma away from pupillary area.Fuher, the nebula produces more discomfo topatient due to blurred image owing to irregularastigmatism than the leucoma which completelycuts off the light rays. Phototherapeutic keratectomy (PTK) performedwith excimer laser is useful in superficial (nebular)corneal opacities. REF:Comprehensive ophthalmology,AK Khurana,4th edition,pg no.122.
Phototherapeutic keratectomy
Penetrating keratoplasty
Gas permeable contact lens
Soft contact lens
Cornea and sclera