Inventors:
Frank L. Oglesby - Kingsport TN
International Classification:
A61B 310
Abstract:
A retina evaluation reticle apparatus for use in a slit lamp biomicroscope and removably positioned at the focusing point of the slit lamp biomicroscope and spaced therein from a patient to be examined, the retina evaluation reticle apparatus including a reticle defining and including thereacross a grid sized with reference to the expected diameter of an optic nerve for enabling measurements to be made from the optic nerve.