A diagnostic contact lens is a lens that serves as a test sample to determine whether this type of lens fits the user for future wear.

20D

The 20D Non-Contrast Slit Lamp Lens is a patented double aspheric glass optics provide enhanced imaging. High magnification provides excellent views of the optic disc and macula.

78D

The 78D Non-Contrast Slit Lamp Lens is intended for general diagnosis and laser treatment double aspheric glass optics that provides excellent imaging of the fundus with balanced magnification to view the optic disc and macula.

90D

The 90D Non-Contact Slit Lamp Lens is intended for general diagnosis and small pupil examinations and features patented double aspheric glass optics that provides enhanced imaging of the retina.