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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 ...
The Amsler grid showing the visual perception of the left eye of a person experiencing metamorphopsia (straight lines appear bent or curved) [1] [2]. Metamorphopsia (from Ancient Greek: μεταμορφοψία, metamorphopsia, 'seeing mutated shapes') is a type of distorted vision in which a grid of straight lines appears wavy or partially blank.
Natalya "Natasha" Nikolayevna Demkina (Russian: Ната́лья Никола́евна Де́мкина; born 1987) is a Russian woman who claims to possess a special vision that allows her to look inside human bodies and see organs and tissues, and thereby make medical diagnoses. Since the age of ten, she has performed readings in Russia.
Second sight is an alleged form of extrasensory perception, whereby a person perceives information, in the form of a vision, about future events before they happen (precognition), or about things or events at remote locations (remote viewing). [3] [4] There is no evidence that second sight exists. Reports of second sight are known only from ...
Diagram by the French esotericist Paul Sédir to explain clairvoyance [1]. Clairvoyance (/ k l ɛər ˈ v ɔɪ. ə n s /; from French clair 'clear' and voyance 'vision') is the claimed ability to acquire information that would be considered impossible to get through scientifically proven sensations, thus classified as extrasensory perception, or "sixth sense".
Clairvoyance – The ability to see things and events that are happening far away and locate objects, places, and people using a sixth sense. Dowsing – The ability to locate water, sometimes using a tool called a dowsing rod. [10] Dermo-optical perception – The ability to perceive unusual sensory stimuli through the skin.
The New Aniseikonia Test (NAT) can quantify the degree of macropsia or micropsia independently in the vertical and horizontal meridians. The test consists of red and green semicircles on a black background with a white round fixation target. The size of the red semicircle is held constant while the green semicircle is varied in size in 1% ...
It is not due to a deficit in vision (acuity, visual field, and scanning), language, memory, or intellect. [1] While cortical blindness results from lesions to primary visual cortex, visual agnosia is often due to damage to more anterior cortex such as the posterior occipital and/or temporal lobe (s) in the brain. [2]