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Human eye

en.wikipedia.org/wiki/Human_eye

The human eye is an organ that reacts to light and has several purposes. As a sense organ, the ... The eye is not shaped like a perfect sphere, rather it is a fused two-piece unit. .... The upper en...

Human Eye Shape Types | LIVESTRONG.COM

www.livestrong.com/article/69728-human-eye-shape-types/

Jan 9, 2014 ... Human eye shapes can affect vision. There are several different types of eyeball shapes: a normal eye, or one that's emmetropic; an elongated ...

3 Ways to Determine Eye Shape - wikiHow

www.wikihow.com/Determine-Eye-Shape

It's actually fairly easy to determine your eye shape as long as you have a mirror ... Using a little more color than normal adds more shadow to the eye, making it ...

Eye Health: Anatomy of the Eye - VisionAware

www.visionaware.org/info/your-eye-condition/eye-health/anatomy-of-the-eye/125

The cornea is a transparent dome-shaped tissue that forms the front part of your eye. ... The difference between normal eye and vision changes and symptoms of  ...

Glaucoma Symptoms | At Risk Glaucoma Suspects | - NV Eye Surgery

nveyesurgery.com/glaucoma/glaucoma-suspect/

Glaucoma causes slow damage to the optic nerve, which changes the shape of ... nerve in each eye (large donut-hole in one eye and normal size in the other), ...

Astigmatism: Symptoms, Causes, Treatments - Eye Institute

www.eyeinstitute.co.nz/the-eye/eye-diseases-and-conditions/astigmatism.htm

Astigmatism is a common vision problem resulting from 'rugby ball shaped' eyes. Learn about symptoms ... Emmetropia = Normal Vision. Eye Anatomy Diagram ...

The size and shape of the optic disc in normal human eyes. - NCBI

www.ncbi.nlm.nih.gov/pubmed/2297333

Arch Ophthalmol. 1990 Jan;108(1):51-7. The size and shape of the optic disc in normal human eyes. Quigley HA(1), Brown AE, Morrison JD, Drance SM.

Facts About Astigmatism | National Eye Institute

nei.nih.gov/health/errors/astigmatism

The cornea of a normal eye is curved like a basketball, with the same degree of ... This change in eye shape restores the focusing power of the eye by allowing ...

Astigmatism: Causes, Symptoms, Diagnosis, and Treatment - WebMD

www.webmd.com/eye-health/astigmatism-eyes

A person's eye is naturally shaped like a sphere. Under normal circumstances, when light enters the eye, it refracts, or bends evenly, creating a clear view of the  ...

Keratoconus: Causes, Symptoms, Diagnosis, and Treatment - WebMD

www.webmd.com/eye-health/eye-health-keratoconus

May 4, 2015 ... Keratoconus is a condition in which your eye's cornea is unable to hold its round shape. WebMD explains how to recognize and treat the ...

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Eye Shapes: What's Your Eye Shape? | Beautylish

www.beautylish.com

Mar 19, 2012 ... Determining your natural eye shape is just as important as finding the most flattering colors for your lids. Knowing how to apply eye shadow and ...

3 Astigmatism Types and How to Correct Them - All About Vision

www.allaboutvision.com

Sep 8, 2016 ... In some cases, astigmatism is caused by the shape of the lens inside the eye. This is called lenticular astigmatism, to differentiate it from the ...

Eyes - KidsHealth

kidshealth.org

In a single glance, lasting a fraction of a second, our eyes work with our brains to tell us the size, shape, color, and texture of an object. They let us know how ...