The eye is composed of delicate tissue with the front part exposed to the environment. It is prone to a host of diseases, especially infections from microbes in the environment. However, the eye has several mechanisms to prevent infections including tears to wash away microbes and protective layers that can minimize entry >> Read More ...
The eyelids have different types of glands. The meibomian glands secrete and oily substance which is one of the components of tears. Another gland in the eyelid is the Zeis glands which secrete an oily reside from the hair follicles that comprise the eyelashes. When the meibomian glands and Zeis glands become blocked it >> Read More ...
Most of us have suffered with a stye at some time in our life. For some people it is common occurrence. Styes are usually not serious and lasts for a few days to one to two weeks at most. There are numerous purported cures for styes with home remedies, including spices, herbs and even rubbing the stye with a gold ring. >> Read More ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
