Blindness

The highest degree of visual impairment when perception of visual reality is completely impossible or severely limited. Absolute blindness, when the eye cannot distinguish light from darkness. Blindness also means that it cannot be corrected by any means (glasses, contact lenses, etc.).

Source | Glossary of Most Commonly Used Biomedical Terms and Concepts | Lithuanian University of Health Sciences | Academician Professor Antanas Praškevičius, Professor Laima Ivanovienė