Photophthalmia ( pho·toph·thal·mia (fōt″of-thal´me-ah) ) is ophthalmia or inflammation of the eye, especially of the cornea and conjunctiva due to exposure to intense light of short wavelength (as ultraviolet light), as in snow blindness. Photophthalmia ( pho·toph·thal·mia (fōt″of-thal´me-ah) ) is ophthalmia or inflammation of the eye, especially of the cornea and conjunctiva due to exposure to intense light of short wavelength (as ultraviolet light), as in snow blindness.