The coloured part of the eye is called the iris. There are three basic eye colours—brown, blue and green. A few albino people have red or pink eyes, but these are very rare. Many people believe that blue eyes are more delicate than brown eyes. In fact they are just as tough as br...
Precise recording of eye movement: the IRIS technique Part 1 . Med Biol Eng Comput 1988 ; 26 : 20 - 26 .Reulen JP, Marcus JT, Koops D, de Vries FR, Tiesinga G, Boshuizen K, Bos JE (1988) Precise recording of eye movement: the IRIS technique. Part 1. Med Biol Eng Comput 26:...
The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber. Along with the anterior chamber and lens, the cornea refracts light, accounting for approximately two-thirds of the eye's total...
In man and other vertebrates the iris controls the amount of light entering the eye and the lens focuses the light onto the retina. 2. (often plural) the ability to see; sense of vision: weak eyes. 3. (Anatomy) the visible external part of an eye, often including the area around ...
Use the dropper to apply the serum onto clean, dry under-eyes as part of your night routine. STEP 2 Massage Turn on your IRIS™ eye massager by pressing the universal button. Then press it to the inner corner of one eye, and glide under the eye contour for 30 seconds, massaging ...
The anterior chamber of the eye (ACE), as a novel site for islet transplantation, has unique advantages over the currently used hepatic portal system. The ACE is a less invasive and conducive transplant site compared to the hepatic portal system13. The iris has a high concentration of blood ...
Blood in your iris, the colored part of your eye You have more than one blood spot in your eyes What vitamin deficiency causes subconjunctival hemorrhage? You may be more likely to get subconjunctival hemorrhages if you don't get enough vitamin C. Many conditions can cause vitamin C deficien...
The sclera is the white part of the eye that surrounds thecornea. In fact, the sclera forms more than 80 percent of the surface area of the eyeball, extending from the cornea all the way to theoptic nerve, which exits the back of theeye. Only a small portion of the anterior sclera ...
pupil, in optical systems, the virtual image of an aperture associated with mirrors, prisms, and lenses and their combinations. The Figure shows the case of an optical system composed of two lenses with a stop between them. The virtual image of the aperture for lens I (as seen from the ...
Eye colour, or more correctly iris colour, is often used as an example for teaching Mendelian genetics, with brown being dominant and blue being recessive. Colour blindness “Daltonism”, which affects 8% of the male population, is a leading example for teaching X-linked recessive disease (Fig...