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Micropsia is a condition affecting human visual perception in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema, macular degeneration, or central serous ...
Microphthalmia is a congenital disorder in which the globe of the eye is unusually small and structurally disorganized. [ 2 ] [ 4 ] While the axis of an adult human eye has an average length of about 23.8 mm (0.94 in), a diagnosis of microphthalmia generally corresponds to an axial length below 21 mm (0.83 in) in adults.
In a technique known as blue field entoptoscopy, the effect is used to estimate the blood flow in the retinal capillaries.The patient is alternatingly shown blue light and a computer generated picture of moving dots; by adjusting the speed and density of these dots, the patient tries to match the computer generated picture to the perceived entoptic dots.
Glowing customer review: "My dermatologist recommended this for dark circles under my eyes and puffiness. I was shocked how fast it worked, I really saw a difference! The tube lasts for at least 3 ...
Last March, Jennifer Cunningham noticed her husband, Chris Cunningham, had a swollen eye. “My eye was smaller than the other,” Chris Cunningham, a 48-year-old college administrator from ...
Alice in Wonderland Syndrome (AIWS), also known as Todd's Syndrome or Dysmetropsia, is a neurological disorder that distorts perception.People with this syndrome may experience distortions in their visual perception of objects, such as appearing smaller or larger (), or appearing to be closer or farther than they are.
Eyes are the window to the soul, conveying countless emotions with subtle changes in expression. Batting your eyelashes or winking is an easy way to flirt. And crying can signify both joy and pain.
An example of eye movement over a photograph over the span of just two seconds. Eye movement includes the voluntary or involuntary movement of the eyes. Eye movements are used by a number of organisms (e.g. primates, rodents, flies, birds, fish, cats, crabs, octopus) to fixate, inspect and track visual objects of interests.