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Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.
Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.
Vertex distance. Vertex distance. Vertex distance is the distance between the back surface of a corrective lens, i.e. glasses (spectacles) or contact lenses, and the front of the cornea. Increasing or decreasing the vertex distance changes the optical properties of the system, by moving the focal point forward or backward, effectively changing ...
Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...
Nearly 45,000 children received care for pink eye at a doctor's office, eye clinic or emergency room and 69% were prescribed antibiotics, which come in drops and ointments.
The Mayo Clinic Hospital – Rochester is a 2,059-bed teaching hospital located in Rochester, Minnesota. [1] [2] [3] It comprises the Saint Marys Campus with its Mayo Eugenio Litta Children's Hospital, as well as its Methodist Campus, forming an integral part of the Mayo Clinic academic medical center. [4] [5] Mayo Clinic Hospital – Rochester ...
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