Guttata, specifically corneal guttata, refers to droplet-like accumulations on the back surface of the cornea. According to the provided reference, corneal guttata are droplet-like accumulations of non-banded collagen on the posterior surface of Descemet's membrane. They are focal thickenings of Descemet's membrane, histologically named guttae. In simpler terms, they are small abnormal growths on the inner layer of the cornea.
