A set of cylindrical and spherical lenses used in testing vision
158 pcs Metal Rim
158 pcs Plastic Rim
-----------------------------
232 pcs Metal Rim
232 pcs Plastic Rim
-----------------------------
266 pcs Metal Rim
266 pcs Plastic Rim |
|
|
An adjustable frame that holds trial lenses used during retinoscopy or refraction tests on the eye.
Standard Trial Frame
----------------------------------
Child's Trial Frame |
 |
A lensometer is an instrument used to measure the power of an existing lens. An optician uses a lensometer to determine the prescription of a patient's eyeglasses.
|
 |
|
Auto lensmeter is an instrument used to measure the power of an existing lens. Automatically showing the SPH LENS, CYL LENS, CYL AXIAL, PRISM, ADD, ABBE COMPESATION NO.,LENS DIAMETER |
 |
