Corneal markers are used for marking a cornea. It creates markings on the cornea that locate where an electrode tip is to be inserted to perform an ophthalmic procedure. This marker includes a plurality of markers coupled to a frame. An actuator may be depressed to move-the markers into contact with the cornea.

Corneal optical pachymetry is used to quantitatively measure the central corneal thickness in the eye, which is directly related to corneal health. The apparent thickness is a physical measurement made by moving an optical marker from the front to the back of the cornea. It is used for patients with glaucoma and certain corneal dystrophies.

Corneal topography keratometer is a diagnostic device used to measure the curvature of the anterior surface of the cornea, particularly used for assessing the extent and axis of astigmatism. It is available in various position types.