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Refractors, Ophthalmic, Manual

Definition : Ophthalmic refractors designed to measure the refractive error by changing a set of different lenses mounted in the devices and other settings (also known as manual phoropters or phorometers); these instruments require the examinee's responses. These instruments usually consist of a refraction unit including a set of calibrated (i.e., containing a number of plus and minus sphere and clylinder graduations) lenses, a cross-cylinder, a pulillary distance setting, prisms, lens controls, and an external eye chart. Manual ophthalmic refractors measure sphere power and cylinder power and axis, accommodation, convergence, and binocular balancing of the eyes; they are used mainly to establish eyeglass prescription.

Entry Terms : "Manual Phorometers" , "Manual Phoropters" , "Phorometers" , "Phoropters" , "Phoro-Optometers"

UMDC code : 24549

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GILRAS LLC

Company Type: Parent

Gulden Ophthalmics

Company Type: Parent

Nearly 75 years of experience have earned Gulden Ophthalmics a place as an undisputed thought leader and foremost expert in ophthalmic instruments and devices.As a leading innovator and sought after manufacturer of ophthalmic instruments and devices, Gulden supplies learning institutions and professionals worldwide, through a well-established national and international distributor network.

Marco Ophthalmic Inc

Company Type: Parent

At Marco, we share your objectives and are eager to put our experience to work for you today. Learn more about Marco and how we can help re-engineer your practice for a more profitable future.

Stallion Medical Inc

Company Type: Parent

We specialize in selling ophthalmic equipment and surgical instruments in stainless steel and titanium.

Universal Ophthalmic Instruments Inc

Company Type: Parent

Veatch Ophthalmic Instruments

Company Type: Parent

Founded in 1988, Veatch Ophthalmic Instruments established itself as a distributor of traditional exam lane equipment, offering top notch knowledge and service to professional nationwide. Seeing the opportunity in the marketplace for new and more efficient ophthalmic technology solutions, Veatch branched out in 1992 to create ReSeeVit digital imaging. ReSeeVit pioneered a new digital imaging concept which had an immediate and positive impact in the ophthalmic equipment market.

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