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Contact lenses. to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.
Optometer (ophthalmic instrument) The optometer was a device used for measuring the necessary spherical and/or cylindrical corrections to be prescribed for eyeglasses, from the middle of the 18th century until around 1922, when modern instruments were developed. [1] [2] [3] The term, coined in 1738 by W. Porterfield to describe his Scheiner ...
O. Ocular tonometry. ODocs Eye Care. Ophthalmic trial frame. Ophthalmoscopy. Optometer (ophthalmic instrument) Orbital x-ray.
Ophthalmic viscosurgical devices (OVDs) are a class of clear gel-like material used in eye surgery to maintain the volume and shape of the anterior chamber of the eye, and protect the intraocular tissues during the procedure. They were originally called viscoelastic substances, or just viscoelastics. Their consistency allows the surgical ...
Lombart Instrument. Lombart Healthcare is the largest distributor of ophthalmic instruments based in the United States. They distribute equipment to eye doctors, teaching institutions, government installations, and hospitals worldwide. Headquartered in Norfolk, Virginia, the company has sales and service branches throughout the United States .
13 – Prism scale knob. A lensmeter or lensometer (sometimes even known as focimeter or vertometer), [1][2] is an optical instrument used in ophthalmology. It is mainly used by optometrists and opticians to measure the back or front vertex power of a spectacle lens and verify the correct prescription in a pair of eyeglasses, to properly orient ...
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