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[11] [12] Acute exposure may lead to a painful sunburn, which can increase the chances of developing serious skin problems later in life. [13] Long-term sunlight exposure is known to be associated with the development of some types of skin cancer, skin aging, immune suppression, eye diseases such as cataracts. [14] [15]
Adaptation (eye) In visual physiology, adaptation is the ability of the retina of the eye to adjust to various levels of light. Natural night vision, or scotopic vision, is the ability to see under low-light conditions. In humans, rod cells are exclusively responsible for night vision as cone cells are only able to function at higher ...
The Donna Reed Show is an American sitcom starring Donna Reed as the middle-class housewife Donna Stone. Carl Betz co-stars as her pediatrician husband Dr. Alex Stone, and Shelley Fabares and Paul Petersen as their teenage children, Mary and Jeff. 275 half-hour episodes were made, all in black-and-white.
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
Sharing memories can be uplifting and calming. It can boost a person’s mood and counteract feeling sick or even depressed. Feeling joyful when reminiscing makes your brain function better, says ...
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.
Palep herself was quite concerned with the dosage of the light therapy provided by the masks, as not every patient may require the same amount and duration of the treatment. "The potential dangers ...
Virtual retinal display. A diagram showing the workings of the virtual retinal display. A virtual retinal display ( VRD ), also known as a retinal scan display ( RSD) or retinal projector ( RP ), is a display technology that draws a raster display (like a television) directly onto the retina of the eye.