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Home > Ophthalmic Equipment > Auto Refractor/Keratometer

Auto Refractor/Keratometer


 Products (Total Items: 9)
Tomey RT-7000 AutoRef / Kerat / Topo
Tomey RT-7000 AutoRef / Kerat / Topo
Your Price: $15,395.99
Retinomax K-Plus 3 (Autorefractor/Keratometer)
Retinomax K-Plus 3 (Autorefractor/Keratometer)
Your Price: $13,295.99
Retinomax 3 Auto-Refractormeter
Retinomax 3 Auto-Refractormeter
Your Price: $11,249.95
Speedy i Auto Refractor/Keratometer
Speedy i Auto Refractor/Keratometer
Your Price: $10,999.95
Tomey RC-5000 AutoRefractor Keratometer
Tomey RC-5000 AutoRefractor Keratometer
Your Price: $10,545.95
Potec PRK 6000 Auto Refractor/Keratometer
Potec PRK 6000 Auto Refractor/Keratometer
Your Price: $7,495.00
UVIX ARK520 Auto Refractor/Keratometer
UVIX ARK520 Auto Refractor/Keratometer
Your Price: $6,895.95
GRK-7000 Autorefractor/Keratometer
GRK-7000 Autorefractor/Keratometer
Your Price: $6,499.95
Retinomax Hard Carrying Case
Retinomax Hard Carrying Case
Your Price: $369.95
An automated refractor, or autorefractor, is a computer-controlled machine used during an eye examination to provide an objective measurement of a person's refractive error and prescription for glasses or contact lenses. This is achieved by measuring how light is changed as it enters a person's eye. The automated refraction technique is quick, simple and painless. The patient takes a seat and places their chin on a rest. One eye at a time, they look into the machine at a picture inside. The picture moves in and out of focus and the machine takes readings to determine when the image is on the retina. Several readings are taken which the machine averages to form a prescription. No feedback is required from the patient during this process. Within seconds an approximate measurement of a person's prescription can be made by the machine and printed out. In some offices this is used to provide the starting point for the optometrist in subjective refraction tests. Here, lenses are switched in and out of a phoropter and the patient is asked "which looks better" while looking at a chart. This feedback refines the prescription to one which provides the patient with the best vision. Automated refraction is particularly useful when dealing with non-communicative people such as young children or those with disabilities.