Merc. Sol: Intense pain in cornea with acrid tears.
Hepar Sulph: Sensitiveness of the eyes to touch and light. Discharge of thick yellow matter. Opacity near large areas of corneal tissues.
Natrum Mur: Syphilitic keratitis. Pain of dull aching character of the entire orbit.
Nitric Acid: Syphilitic keratitis with nightly aching pain. Profuse acid tears, dense opacity and tendency to superficial ulceration.