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4 days ago · The pupil of the human eye is its aperture; the iris is the diaphragm that serves as the aperture stop. Refraction in the cornea causes the effective aperture (the entrance pupil) to differ slightly from the physical pupil diameter.
4 days ago · Human eye, specialized sense organ in humans that is capable of receiving visual images, which are relayed to the brain. The anatomy of the eye includes auxiliary structures, such as the bony eye socket and extraocular muscles, as well as the structures of the eye itself, such as the lens and the retina.
5 days ago · Pupil. The pupil appears as a black dot in the middle of the eye. This black area is actually a hole that takes in light so the eye can focus on the objects in front of it. Iris. The iris is the area of the eye that contains the pigment which gives the eye its color.
Jun 13, 2024 · SINGAPORE – A male primary school student care teacher, who got to know an 11-year-old boy from his workplace, sent him lewd messages after leaving the school in 2020. In 2021, Tristan Teo Hong ...
4 days ago · The chemical energy activates nerves that conduct the messages out of the eye into the higher regions of the brain. The retina is a complex nervous structure, being, in essence, an outgrowth of the forebrain. Ten layers of cells in the retina can be seen microscopically.
3 days ago · The meaning of PUPIL is a child or young person in school or in the charge of a tutor or instructor : student.
2 days ago · The pupils' size, shape, and location must also be examined using a slit lamp to detect the presence of any abnormalities. 1. Size: Pupillary size can be measured using a pupil gauge or millimeter rule or on the slit lamp. Normally, the pupils are equal in size, around 3–6 mm in bright light and 4–8 mm in dim light .
