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Health effects of sunlight exposure. Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [ 1] and possibly ...
Which is not a bad thing, because with every rehearsal the movement becomes more fluid. Whereas a theatre actor will project their movements and their dialogue. It’s a stage to them. That’s the difference. Chuck was a little bit stiff in An Eye For An Eye. He became looser in Lone Wolf McQuade. After that he became better with every picture ...
Optical coherence tomography. A high-resolution spectral-domain OCT scan (3×3 mm) of a dry age-related macular degeneration eye showing geographic atrophy and drusen in macula on both cross-sectional and en face fly-through. Optical coherence tomography ( OCT) is an imaging technique that uses interferometry with short- coherence-length light ...
In statements to Reuters, Verizon, AT&T and T-Mobile US said they were working to resolve the issue but did not provide details on the extent of the outage or the services partner responsible for it.
Retinal scan. A retinal scan is a biometric technique that uses unique patterns on a person's retina blood vessels. It is not to be confused with other ocular-based technologies: iris recognition, commonly called an "iris scan", and eye vein verification that uses scleral veins.
This is a list of current and former programmes broadcast on BBC Radio 4.. When it came into existence – on 30 September 1967 – Radio 4 inherited a great many continuing programme series which had been initiated prior to that date by its predecessor, the BBC Home Service (1939–1967), and in some cases even by stations which had preceded the Home Service.
Optics and vision. Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye. This lens is essential to producing clear images ...
The ocular immune system protects the eye from infection and regulates healing processes following injuries. The interior of the eye lacks lymph vessels but is highly vascularized, and many immune cells reside in the uvea, including mostly macrophages, dendritic cells, and mast cells. [ 1] These cells fight off intraocular infections, and ...