Below are the main rubriks (i.e strongest indications or symptoms) of Calc Carb in traditional homeopathic usage, not approved by the FDA.
Sensitive to light
Lachrymation in open air and early in morning
Spots and ulcers on cornea
Lachrymal ducts closed from exposure to cold
Easy fatigue of eyes
Itching of lids, swollen, scurfy
Chronic dilatation of pupils
Dimness of vision, as if looking through a mist
Lachrymal fistula; scrofulous ophthalmia.≡ more ...