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Six points on the Star of Life. The six branches of the star represent the six main tasks executed by rescuers all through the emergency chain: [19] Detection: The first rescuers on the scene, usually untrained civilians or those involved in the incident, observe the scene, understand the problem, identify the dangers to themselves and the others, and take appropriate measures to ensure their ...
Visual acuity with Near chart without correctors Visual acuity with eye chart at Near 15.7 inches (400 mm) and without (sc: Latin sine correctore) correctors (spectacles); Ncc is with (cc: Latin cum correctore) correctors. See Visual_acuity#Legal_definitions: VA OS Left visual acuity VA OD Right visual acuity VDU Visual display unit VF Visual field
The colors available were a white flag with a red center, a black flag with a white center, and a red flag with a white center. All three were produced in the most commonly used four foot (120 cm) size. The white and black flags came in a six-foot (180 cm) size for greater range, and the white and red flags had a two-foot (60 cm) size. [14]
An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [ 1 ] Eye charts are often used by health care professionals, such as optometrists , physicians and nurses , to screen persons for vision impairment .
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Epiretinal membrane or macular pucker is a disease of the eye in response to changes in the vitreous humor or more rarely, diabetes.Sometimes, as a result of immune system response to protect the retina, cells converge in the macular area as the vitreous ages and pulls away in posterior vitreous detachment (PVD).
Business Insider asked hotel employees about the red flags to look for when checking into a hotel. Burnt-out light bulbs and dust in common areas may be signs a hotel isn't clean or well-maintained.
Stanley is recalling 2.6 million mugs sold in the U.S. after the company received dozens of consumer complaints, including some users who reported getting burned and requiring medical attention ...