httpv://www.youtube.com/watch?v=AUsups6Mk3I *** Source: http://www.colourblindawareness.org/colour-blindness/ What is colour blindness? Colour (color) blindness (colour vision deficiency, or CVD) affects approximately 1 in 12 men (8%) and 1 in 200 women in the world. In Britain this means that there are approximately 2.7 million colour blind people (about 4.5% of the entire population),…
This runs in my family. Maybe I’ll get lucky and not get it. *** Source: http://chealth.canoe.ca/channel_condition_info_details.asp?disease_id=84&channel_id=2022&relation_id=16451 The macula is a tiny circle in the middle of the retina, a light-sensitive membrane that lines the inside of the back of the eye. In older people, it sometimes begins to deteriorate or…
I get tested for this one every time I go see the Ophthalmologist *** Source: http://www.webmd.com/eye-health/glaucoma-eyes Glaucoma is a condition that causes damage to your eye’s optic nerve and gets worse over time. It’s often associated with a buildup of pressure inside the eye. Glaucoma tends to be inherited and…
A friend of mine has this one. *** Source: http://www.webmd.com/eye-health/eye-health-keratoconus We see through the cornea, which is the clear, central part of the front surface of the eye. Normally, the cornea has a dome shape, like a ball. Sometimes, however, the structure of the cornea is just not strong enough…
Source: http://www.nei.nih.gov/health/cataract/cataract_facts.asp A cataract is a clouding of the lens in the eye that affects vision. Most cataracts are related to aging. Cataracts are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery. A cataract can…
I’ve got this too. *** Source: www.nystagmus.org NYSTAGMUS is characterized by an involuntary movement of the eyes, which may reduce vision or be associated with other, more serious, conditions that limit vision. Nystagmus may be one of several infantile types or may be acquired later in life. The most common…
It’s got nothing to do with The Stig hypnotizing you…Top Gear fans will get that. *** Source CNIB, Canadian Opthalmological Society In normal, undistorted vision, the cornea (the clear window in front of the eye) is smooth and equally curved in all directions. With astigmatism, the cornea is “warped”, meaning…
Myopia is also referred to as Nearsightedness. This is the major eye condition that I have *** Source Canadian National Institute for the Blind, in conjunction with the Canadian Opthalmological Society. Myopia (near-sightedness), hyperopia (far-sightedness), and astigmatism (distorted vision) are what as know as refractive errors. For proper eyesight, the…
So what is Hyperopia? It is also called Farsightedness. *** Source: Mayo Clinic http://www.mayoclinic.org/diseases-conditions/farsightedness/basics/definition/con-20027486 Farsightedness (hyperopia) is a common vision condition in which you can see distant objects clearly, but objects nearby may be blurry. The degree of your farsightedness determines your focusing ability. People with severe farsightedness may see…
This one is probably not strange to most people, but it is to me because I don’t have it. (I have something called Myopia…and a few other things that I will discuss in later posts I thought I’d dig up some information on it and share it with you anyway. …