cornea - in invertebrates, a transparent area of the cuticle covering the eye, or each facet of the eye; in vertebrates, the transparent part of the outer coat of the eyeball in front of the eye
Equipment using another source. 1. Equipment and corresponding accessories for ophthalmological diagnosis: - equipment for illumination of the eye : slit lamps, eye mirrors, spectral light sources, ophthalmoscopes,
- equipment for viewing, imaging and measurement of the eye : ophthalmometers, refractometers, tonometers, photometers, retinoscopes, cornea-microscopes,
- ophthalmological diagnostic units consisting of ophthalmological equipment as mentioned above combined with necessary auxiliary devices : stands, columns, chairs.