Description: Autorefractors are used to measure the degree of refractive error in the eye, and are suited well toward applications such as differentiating corneal from lenticular aberrations, and assessing pre-and-post refractive surgery patients.
Description: A lensometer measures the optical properties of a pair of eyeglasses and may also be referred to as a focimeter. A manual lensometer can provide the basic parameters of a lens, including the spherical, cylindrical, and axis curvatures.
Description: A slit lamp is a microscope with a bright light used during an eye exam. It gives your ophthalmologist a closer look at the different structures at the front of the eye and inside the eye.
Description: A lensmeter or lensometer, also known as a focimeter or vertometer, is an ophthalmic instrument. It is mainly used by optometrists and opticians to verify the correct prescription in a pair of eyeglasses, to properly orient and mark uncut lenses, and to confirm the correct mounting of lenses in spectacle frames.
Description: An instrument for examining the interior structures of the eye, especially the retina, consisting essentially of a mirror that reflects light into the eye and a central hole through which the eye is examined.
Description: Trial Box is a box containing lenses, arranged in pairs, a trial spectacle frame, and other devices used in testing vision. It is also called as trial case. Trial frame an eyeglass frame designed to permit insertion of different lenses used in correcting refractive errors of vision.