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Bioptics, also known as a bioptic in the singular, and sometimes more formally termed a bioptic telescope, is a term for a pair of vision-enhancement lenses.They magnify between two and six times, and are used to improve distance vision for those with severely impaired eyesight, especially those with albinism.
Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]
Traffic School by Improv is an American company that provides behavior-based driver education, traffic school, defensive driving programs, and workplace safety courses. [1] The company employs the educational entertainment "edutainment" approach to teaching, which combines education with entertainment. The company claims that some of their ...
Driver's education, driver education, driving education, driver's training, driver's ed, driving tuition or driving lessons is a formal class or program that prepares a new driver to obtain a learner's permit or driver's license. The formal class program may also prepare existing license holders for an overseas license conversion or medical ...
The Smith System is a defensive driving strategy [1] created in 1952 by Harold L. Smith. [2] [3] Smith's goal was to increase the safety of commercial drivers. [2]After he opened the Safeway Driving School in Detroit in 1948, [4] Smith established the Smith System Driver Improvement Institute in 1952.
Nedoroscik has learned how to navigate life with cross-vision — even eye surgery at age 8 did not solve the issue. Throughout his childhood, he wore glasses that darken in sunlight.
Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...
Higher-quality optical-grade glass materials exist (e.g. Borosilicate crown glasses such as BK7 ( n d = 1.51680 , V d = 64.17 , D = 2.51 g/cm³ ), which is commonly used in telescopes and binoculars, and fluorite crown glasses such as the best optical quality low dispersion glass currently in production, N-FK58 made by the German company Schott ...