Measure of astigmatism. A complication caused by movement of the pupil that can be corrected with an enhancement procedure. The layer of the cornea between the stroma and endothelium. The balance of hydration in the eye. Diopters A measurement of refractive error.
Hyperopia is measured in terms of positive diopters.
Myopia is measured in terms of negative diopters. A Syndrome characterized by corneal dryness due to deficient tear production. E Ectasia A progressive corneal thinning and bulging. Emmetropes People who have no refractive error. The innermost layer of the cornea.