Karickhoff Macular Acuity Tester – K – Mat

Karickhoff Macular Acuity Tester – K – Mat

HAND-HELD DEVICE REVEALS MACULAR ACUITY AND PREDICTS POST-OPERATIVE VISION WHEN THE MACULA CAN NOT BE SEEN By John Karickhoff, M.D. Doctors can easily examine the cornea, the lens, and the vitreous to learn if there is the clarity to allow good vision.  However,...
Dry Eyes Study

Dry Eyes Study

Some patients with Dry Eyes do not have an oily tear film layer to prevent evaporation of the tears. Seeing this oily layer is important in any study of dry eyes. A device developed here allows seeing and photographing this allusive multicolored oily layer.
Final Magnetic Translucent Occluder

Final Magnetic Translucent Occluder

During our research with the translucent eye patch above, we experimented and did a formal visual field study on 60 eyes to see if the patch had to be attached to the patient’s head over their eye as had been done since the inception of visual field testing.   We...
Early Design of Translucent Diffuser

Early Design of Translucent Diffuser

Visual field testing is crucial for diagnosing and monitoring diseases, especially glaucoma. Traditionally, an opaque patch covers the non-tested eye, creating darkness and causing visual rivalry, leading to intermittent blackouts and missed targets. We developed a...

Corrales Floater Finder/Illustrator/Documenter

The Corrales floater documentation method identifies which floaters bother the patient most, which may differ from those seen by the doctor. This method is especially useful for locating small floaters in young patients and is revealing when patients draw floaters...