The eye in human beings is a three layered structure. The toughest layer called the sclerotic coat forms the outermost part represented by the white segment of the eye and the cornea. The choroid coat signifies the middle layer. This is a pigmented layer that represents the iris of the eye. The third and the innermost layer called the retina is located in the rear part of the eye. More...
An English scientist named John Dalton was the first person to highlight details about the medical condition of color blindness. As a result, the health disorder is also called Daltonism. In fact, he himself was known to be suffering from the disorder, which might have triggered the scientist’s interest in the condition. More...
Night blindness, also referred to as nyctalopia is a medical condition wherein the patient is unable to see in darkness or dim light conditions. This is an extremely grave health disorder that results in severe handicaps like inability to drive at night and even walk independently at night. Certain other symptoms linked with night blindness include hazy vision, double vision, incapability of distinguishing shapes in the dark, and dryness in the eyes. Night blindness may be caused due to several reasons. More...
Even though you may regard your home premises as the safest, you will be surprised to know that the maximum numbers of accidents take place at homes. While these can occur with people having normal vision as well, those suffering from any form of visual impairment must be particularly careful. There are a few very simple steps that if followed can eliminate the risk of accidents at home. More...
Although each organ in the human body is vital to one’s well being; the eyes are certainly one of the most important parts of our body. Someone has very rightly called the human eyes, ‘the windows into our soul’ as they not only give an insight about a person’s personality with respect to the temperament and feelings of the individual but also demonstrate a great deal about one’s general health condition. However, most of us give much lesser credit to this organ than it rightfully deserves. The gift of sight makes this world beautiful. Therefore, we must undergo regular eye examinations to ensure the health of our eyes. More...
Visual Disturbances And Blindness
Visual disturbances are defined as irregularities in one’s line of sight. Most often than not, visual disturbances are connected with neurological problems. Muscular disorders, vascular diseases, cancer, or even trauma could be potential reasons for the occurrence of visual disturbances. More...
Causes Of Sudden Temporary Blindness
The medical condition of temporary blindness is characterized by the sudden loss of vision. Fortunately, this medical condition can be rectified with proper and timely medical assistance. There are several causes for the development of this condition that include cataract, glaucoma, optic nerve problem, presence of a foreign body in the eye, hypertension, TIAs, blood occlusion, and tumor in brain. Let us look deeply into each of these factors. More...
Arien Mack and Irvin Rock were the first ones to put forth the term ‘inattentional blindness’ in the year 1992. Inattentional blindness or perceptual blindness is defined as the phenomenon whereby an individual lacks the competence of seeing things that are in his or her visual sight. The reason behind this lack of perception is explained as mental distractions that limit the individual’s potential of seeing things in the visual scene. The way the human mind functions and interprets information also plays a significant role in this phenomenon. More...
