Eyes and Vision

Nystagmus (Abnormal Eye Movements) Types, Video, Causes

Our eyeballs can be moved in various directions by the actions of the extraocular muscles. This allows us to focus in the direction of our choice and it is a voluntary action. However, there are instances where this movement of the eyeball is involuntary and repetitive in a way that compromises visual acuity. Nystagmus is >> Read More ...

Distorted Vision – Types and Causes

There are a number of different ways in which vision can be distorted and without a medical assessment it is difficult to isolate the exact mechanism and defect. The sense of vision is complex with 20/20 vision on one end and blindness at the other. However, there are many conditions that can cause a variety of forms of >> Read More ...

Sore Eyes Causes, Other Symptoms and Remedies

We all experience sore eyes every now and then and it is usually not serious. Most of us consider eye pain and visual disturbances to be more serious symptoms but sometimes even mild soreness can be an early symptoms of serious eye conditions. Therefore it is important to identify the cause of eye soreness and remedy it >> Read More ...

Night Blindness (Nyctalopia) Causes, Symptoms, Treatment

Most of us hear about night blindness being a problem with vitamin deficiencies, and specifically a vitamin A deficiency. However, this is an uncommon cause of a relatively common problem. Despite its name, a person does not go blind (complete loss of vision) at night. Instead it refers to a difficulty with sight at night >> Read More ...

Abnormal Eye Blinking (Excessive, Infrequent) Causes, Remedies

Most of us blink about 3 to 4 times a minute on average although there are times where we tend to blink more or less frequently for short periods of time.When blinking is either excessive or infrequent for prolonged periods of time then it is considered abnormal and needs to be investigated. These abnormalities may be due >> Read More ...

Nighttime Eyesight Problems Causes and Diseases

Humans have a limited capacity to see in the dark when compared to some other mammals. This limited capacity is not something that most of us bother with as artificial lighting has largely negated the associated impairment of functioning at night. However, when this nighttime eyesight ability starts to decline then it >> Read More ...

Retinitis Pigmentosa Causes, Symptoms, Treatment

There are many eye conditions that can lead to loss of vision, either partial or complete. Cataracts and macular degeneration are two relatively common eye disorders that lead to impaired vision. Another condition is retinitis pigmentosa which is rare but nevertheless a cause of >> Read More ...

Macular Degeneration Types, Causes, Symptoms, Prevention

It is the leading cause of blindness among Americans older than 50 years and affects more than 20% of Americans over the age of 60. Macular degeneration is a major age-related problem in developed countries and as yet there is no cure. The more common type develops very slowly and many people do not even know that they >> Read More ...
1 2 3 4 9