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Western NY Welcome Center: 1999 Alvin Rd. (Exit 19 off I-190) in Grand Island, open 9 a.m.-6 p.m. Pembroke Service Area: I-90, NYS Thruway (milepost 397), eastbound between Exit 48A (Pembroke) and ...
To watch the solar eclipse in April, Rochesterians will need a special set of shades. Here's how to get a pair.
These glasses are independently tested and are shown to filter 100% of harmful UV and infrared light, and 99.9% of intense visible light. This 10 pack is great for splitting among friends or a ...
An eyeglass prescription. Similar to medical prescriptions, eyeglass prescriptions are written on paper pads or included in a patient's electronic health record, and contain a number of different abbreviations and terms: DV is an abbreviation for distance vision. This specifies the part of the prescription designed primarily to improve far vision.
The add segment of the lens for near vision is the D-shaped area. A bifocal is a lens with two sections, separated by a line (see image to the right). Generally, the upper part of the lens is used for distance vision, while the lower segment is used for near vision. The area of the lens that caters to near vision is called the add segment.
Laboratory safety advisory about the importance of protective goggles, 1955. Goggles, or safety glasses, are forms of protective eyewear that usually enclose or protect the area surrounding the eye in order to prevent particulates, water or chemicals from striking the eyes. They are used in chemistry laboratories and in woodworking.