Attempts at artificial vision began in the 18th century with the direct stimulation of blind eyes. In the 1920s, Otfrid Foerster developed this approach further by using electrodes to investigate direct electrical stimulation of the visual cortex. Several of his patients experienced limited subjective visual phenomena. In 1956, the first known proposal for a retinal prosthesis was outlined by Tassicker in Melbourne, Australia. However, research and design of it did not start until the late 1980s
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A ray of sunlight awoke me while shining through the window into my eyes. A strange feeling had entered my stomach that was indescribable. As I looked to my nightstand to grab my phone a ticket had taken the place. This ticket was no ordinary ticket. The ticket was gold and made of chocolate. In the back of the ticket was an address carved into the thin, brown, milk chocolate. An old, beat up, yellow taxi cab carried me to my destination. The building was huge and what looked like to be a factory
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The average optometrists performs several functions during their work day. A couple include prescribing, supplying, and fitting visual aids such as spectacles or contacts. Analyzing test results and removing foreign bodies from the eye. These are done on an everyday basis. The history of optometry begins in Europe where in 1286 the first pair of glasses were developed in northern Italy. Another important milestone in the history of optometry is when contact lenses were developed in 1938. The education
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smooth texture. Along with the quality of the products, E.l.f. Cosmetics does an excellent job choosing shades to flatter any eye color. Women wear eyeshadow because it has the ability to make its wearers eyes stand out, and this palette does an outstanding job in doing so. Consisting of a shimmery pearl, a gunmetal metallic, a matte charcoal and a lustrous black, any color eye is guaranteed to be accentuated when wearing this
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the 19th century. The first description of glaucoma was given by the French Dr Antoine-Pierre Demours in 1818. Dr G.J Guthrie later recognizes hardening of the eye as a common characteristic of the disease he named Glaucoma. Dr William McKenzie
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extremely important because eyelid surgery requires a surgeon who approaches the procedure in an ultra-conservative manner. An aggressive approach can lead to irreversible, unnatural-looking changes that could severely affect the function of the patient's eye. What Can Cosmetic Eyelid Surgery Address?
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They say that he has blue blood — but all he can taste is red — red skin, red hair, red knuckles. The blue blood taints his name but beneath that, he is pulsing scarlet. Persimmons and crimsons drip down his esophagus and feed the flames that lie in his gut. Yet there’s no blood thudding between the wings of his chest as he waits for her. He is silent. Watching the guests waltzing — crystalline and beautiful — their faces alight with the numbing adrenaline of alcohol and the sweaty exhilaration
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Secondary Anatomy and Physiology: * Cornea - It is the outermost lens of the eye, controlling and focusing incoming light. It shields the rest of the eye from dust, germs and other harmful foreign matter. * Sclera - The visible white part of the eye.The sclera is a protective layer that maintains the global shape of the eye and offers resistance to internal and external forces. * Iris - The part of the eye which is colored. The iris is a diaphragm that regulates the expansion and contraction
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or unsafe. Why? Because of the psychology of color, which refers to the strong emotional reactions that we all have towards colors? Research studies show that our reaction is partly physiological based on the effects of the colors that have on our eyes and nervous system. It is also influenced by our environment and life experiences. Beginning with the technology at its simplest, the retina focuses on colors as rays of light which have varying lengths and degrees of refraction, reflection, absorption
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a long time since anybody even took a look at the house. The old house was left to die, alone, with no one to care. The paint was peeling, the windows were broken and the shingles had been torn from the roof, probably by past storms. What caught my eye was that the unkempt yard, it looked like it hadn’t been cut since the house was abandoned, the grass was almost my height and there was nothing but weeds everywhere. I imagined this house would’ve probably been huge and gorgeous in its days. It had
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