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2. Worth 4 dot test - Wikipedia

   en.wikipedia.org/wiki/Worth_4_dot_test

   They see 4 lights, 1 red, 2 green and one mixed colour; The two green lights will be to either side with the red light slightly above them and the mixed coloured light below the red; This is recorded as : W4LT (D): 4 lights (ARC) NB: ARC can only be confirmed in conjunction with additional clinical tests for retinal correspondence. The patient ...

3. LED wallpaper - Wikipedia

   en.wikipedia.org/wiki/LED_wallpaper

   LED wallpaper. LED wallpaper is the integration of light-emitting diodes into flat substrates suitable to be applied to walls for interior decoration purposes.. The experimentation on the combination of light sources and wall covering surfaces has been largely fostered by the progressive miniaturisation of low-voltage lighting technology, such as LEDs and OLEDs, suitable to be incorporated ...

4. Subconjunctival bleeding - Wikipedia

   en.wikipedia.org/wiki/Subconjunctival_bleeding

   Subconjunctival bleeding, also known as subconjunctival hemorrhage or subconjunctival haemorrhage, is bleeding from a small blood vessel over the whites of the eye. It results in a red spot in the white of the eye. [1] There is generally little to no pain and vision is not affected. [2] [3] Generally only one eye is affected. [2]

5. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

6. Luminous efficacy - Wikipedia

   en.wikipedia.org/wiki/Luminous_efficacy

   Luminous efficacy of radiation measures the fraction of electromagnetic power which is useful for lighting. It is obtained by dividing the luminous flux by the radiant flux. [4] Light wavelengths outside the visible spectrum reduce luminous efficacy, because they contribute to the radiant flux, while the luminous flux of such light is zero ...

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!