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Artist's impression of Leonardo's method for neutralizing the refractive power of the cornea. Leonardo da Vinci is frequently credited with introducing the idea of contact lenses in his 1508 Codex of the eye, Manual D, [9] wherein he described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.
Modern glasses, the most dominant form of eyewear. Eyewear is a term used to refer to all devices worn over both of a person's eyes, or occasionally a single eye, for one or more of a variety of purposes. Though historically used for vision improvement and correction, eyewear has also evolved into eye protection, for fashion and aesthetic ...
Some people find them more cosmetically attractive. Because bifocals and related designs are associated with old age, proponents have suggested the lack of visible lines makes a progressive lens appear similar to the single vision lenses worn before the onset of presbyopia.
The Urdu Dictionary Board (Urdu: اردو لغت بورڈ, romanized: Urdu Lughat Board) is an academic and literary institution of Pakistan, administered by National History and Literary Heritage Division of the Ministry of Information & Broadcasting. Its objective is to edit and publish a comprehensive dictionary of the Urdu language.
The Act gives consumers certain rights, including increasing their ability to choose where to shop and the right to have a copy of their own contact lens prescription.It also imposed certain responsibilities on lens prescribers and sellers, and required the Federal Trade Commission to develop and enforce implementing rules, which it did in July 2004.
from Hindi पश्मीना, Urdu پشمينه, ultimately from Persian پشمينه. Punch from Hindi and Urdu panch پانچ, meaning "five". The drink was originally made with five ingredients: alcohol, sugar, lemon, water, and tea or spices. [15] [16] The original drink was named paantsch. Pundit
Note that Hindi–Urdu transliteration schemes can be used for Punjabi as well, for Gurmukhi (Eastern Punjabi) to Shahmukhi (Western Punjabi) conversion, since Shahmukhi is a superset of the Urdu alphabet (with 2 extra consonants) and the Gurmukhi script can be easily converted to the Devanagari script.
A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.