Similar to Press-On Prisms. Come as a set of two bifocals. Can be re-used

Clips on patients glasses for over-refraction. Two lens cells. Avoid vertex distance error between phoropter and spectacles. Converts childrens spectacle frame to a childs trial frame. *Sold in pairs

Raised ridge prevents prism edges from touching table, allow accurate testing of large oculomotor imbalances in the trial frame,fits all standard trial frames, offer excellent optical qualities,made of thin optical quality acrylic and are lightweight,each set includes a display box,available as two sets providing a full range of prisms,fresnel trial sets are indispensable as a tool for […]

Red translucent plastic w/ red maddox on one end and black occluder on the other. Do not clean with alcohol,cause its breaks down the plexiglass. Instead use antibacterial soap.

Test for lateral & vertical fixation disparity. Tilting of polarized arrow indicates uncompensated cyclophoria. I *ncludes polarized goggles.  

A standard instrument in most VT programs. Features progressive fixed demand. Polarized or colored lenses are not required. Helps improve low fusional and accommodative reserves, poor stereopsis, fixation disparity suppression & tight accommodation-conversion relationship. The trainer assists patients with asthenopia & visually related learning problems. 30PD Base-Out to 17.5PD Base-In.

ETDRS chart for near.

These are great for anti-suppression training while reading or looking at pictures. These work better if held off page an inch. available: polarized/reg-green

Heavy duarable black plastic 45mm occluder has metal spring clip to safeguard patients lenses.

The most economical holder for trial lenses. Holds standard lenses in 38mm trial rings. Available with 4, 8, or 10 wells. (Lenses not included.)

Used for testing and training of fusion, suppression, and/or diplopia. Requires 2 C batteries (not included).

Ultra thin, 1mm Fresnel prisms are ideal for trial fittings. Adhesive backing firmly holds prism to lenses. Available :1-10,12,15,20,25,30,35,40 prism