The area around the eyes is filled with soft tissue that protects and supports the eyeball within the socket of the skull. Sometimes the area under the eye becomes enlarged and appears like bags under the eyes. This can be a symptoms of some underlying disease and needs to be treated medically. However, it is often more of >> Read More ...
The pupils are the dark centers of the eye where light can enter the inner eyeball. The size of the pupil’s change with varying light conditions to allow more or less light into the eyeball. This is controlled by the iris. When the pupil’s are enlarged it is dilated and when it is small it is constricted. While >> Read More ...
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 ...
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 ...
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 ...
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 ...
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 ...
The eye is the most delicate exposed tissue in the body, protected mainly by the eyelids which in itself are thin skin folds. It is exposed to a range of mechanical, chemical and electromagnetic factors in the course of a day and can be easily injured or infected. The cornea is the outer transparent layer through which >> Read More ...
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 ...
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 ...
