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For Your Eyes Only is a collection of short stories by the British author Ian Fleming, featuring the fictional British Secret Service agent Commander James Bond, the eighth book to feature the character. It was first published by Jonathan Cape on 11 April 1960. It marked a change of format for Fleming, who had previously written James Bond ...
The detached retina was caused by a cancerous tumor that had wrapped around Hensley’s optic nerve. She was diagnosed with ocular melanoma that began when the freckle in the back of her eye ...
Your kids and their teachers will thank you. Make eye exams part of the back-to-school checklist. Your kids and their teachers will thank you. When a little boy burst into tears in her third-grade ...
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. [ 2] Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, and tingling in the hands and feet. [ 1] It causes almost 10% of intellectual disability of otherwise unknown cause and can ...
“Seeing Johnny Storm (if only for a short while) was like seeing someone you miss come back from the dead in a dream. Way too brief and too lovely to be real,” he wrote. “Goodbyes are hard.
Eccentricity effect. The eccentricity effect is a visual phenomenon that affects visual search. As retinal eccentricity increases (i.e. the light of the image enters the eye at a larger angle and approaches peripheral vision), the observer is slower and less accurate to detect an item they are searching for. [ 1]
Parallax is an angle subtended by a line on a point. In the upper diagram, the Earth in its orbit sweeps the parallax angle subtended on the Sun. The lower diagram shows an equal angle swept by the Sun in a geostatic model. A similar diagram can be drawn for a star except that the angle of parallax would be minuscule.
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 ...