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Underwater vision. Scuba diver with bifocal lenses fitted to a mask. Underwater vision is the ability to see objects underwater, and this is significantly affected by several factors. Underwater, objects are less visible because of lower levels of natural illumination caused by rapid attenuation of light with distance passed through the water.
Ray J's sister Brandy described him at the time of Houston's death as being "very distraught" and "disconnected" as well as referring to it as "a very hard time in his life." [ 17 ] Ray J and Houston became very close in the last years of her life, leading to speculation of a romantic relationship between the singers. [ 18 ]
Fish retinas generally have both rod cells and cone cells (for scotopic and photopic vision ), and most species have colour vision. Some fish can see ultraviolet and some are sensitive to polarised light . Among jawless fishes, the lamprey [1] has well-developed eyes, while the hagfish has only primitive eyespots. [2]
Here’s what science has to say about the psychological benefits of ditching structure and focus in lieu of laziness — at least once in a while. 1. Letting your mind wander boosts creativity. A ...
The top and bottom images produce a dent or projection depending on whether viewed with cross- () or wall- () eyed vergence. An autostereogram is a two-dimensional (2D) image that can create the optical illusion of a three-dimensional (3D) scene. Autostereograms use only one image to accomplish the effect while normal stereograms require two.
RELATED: 6 scary things your eyes say about your health. If you've ever heard "your eyes change color a lot," its because of light! Melanin absorbs light so the less melanin, like people with blue ...
Here are 12 examples of the weirdest and wackiest things that people collect. ThamKC/istockphoto. 1. Barf Bags. Despite being quite a niche group, collectors of barf bags (also known as air ...
Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
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