A Portable slit lamp is a microscope with a bright light used during an eye exam.
A slit lamp is a microscope with a bright light used during an eye exam.
A phoropter is an instrument used to test individual lenses on each eye during an exam.
A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen
A lensmeter or lensometer, also known as a focimeter or vertometer, is an ophthalmic instrument.
An autorefractor or automated refractor is a computer-controlled machine used during an eye examination
In this device, ultrasound is used, and the sonar sensor is placed directly on the cornea after using an anesthetic drop. Before imaging, an Instocaine drop is poured into both eyes to numb the surface of the cornea.
It is a device that gives a topographic image of the cornea and it helps to detect any defects and distortions in the cornea that would affect the consideration negatively before or even after conducting a vision correction process.
The device works by distinguishing what is known as light points in space, and therefore if the patient cannot distinguish these points, the computer will consider that there is an area affected by damage in the field of vision
It is a device that examines the frontal parts of the eye, as it takes a 360-degree image and then shoots 50 different pictures of more than 25,000 points in the cornea in a period not exceeding two seconds only!