Condition - What You Need to Know About Eye Disorders
What You Need to Know About Eye Disorders
Among the most serious of the conditions which may work on the human eye is detachment of the retina. The retina is a tissue at the back of the eyeball, which apparently receives the images focused upon it by the lens of the eye and passes them to the optic nerve, so that they will be suitably recorded by the brain. Under positive circumstances this tissue may become detached, which results right away in loss of vision.
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An performance is now performed for the cure of detachment of the retina. This operative procedure is a great expand in curative art, because previously there was understanding to be no hope for such cases and most of them passed on to permanent blindness.
This health normally afflicts men slightly more often than women, to the extent of about 60 per cent of males and 40 per cent of females. normally it affects older rather than younger people, but a case has been recorded in a child five years old. The average is forty years. Cases of detachment of the retina also are recorded in persons as old as seventy five. In a principal whole of cases detachment of the retina seems to result an injury of some sort. One case is reported in which the retina became detached following an effort by a rather elderly man to cure his headaches by vibrating his skull with an electrical vibrator.
Most of the operative procedures now used involve application of chemical cauterizing substances or else application of heat for purposes of cauterization. The subsequent scarring causes the retina again to become attached to the field in which it should lie.
For a long time any effort to operate cross-eyes in children was prevented because habitancy superstitiously understanding that cross-eyes were due to fright, shock, or prenatal impressions on the mother. A squint or walleye may invent from excessive strains located on the external muscle of the eye by the extra effort in looking which is required when there is an ultimate degree of near sightedness Any straining of the eye or imbalance of the muscles may result in cross-eyes or squint.
Many habitancy believe that children outgrow cross-eyes. This may happen, but in other instances the sight of a crossed eye may never develop, and in many instances the squint or crossed eye becomes worse as time goes on. Early pathology and medicine are principal for the best results in this condition. As soon as you notice that a child is cross-eyed a master in diseases of the eye should be consulted. He will make a sufficiently thorough exanimation to evaluate the factors in the case and decide on the proper treatment.
In at least half the cases of cross-eyes there seems to be some hereditary anatomical weakness in the eye; there will normally be a description of other cases somewhere in the family.
Most habitancy have some minor muscle out of balance in their eyes. One muscle will pull harder than the other, and the strong one will overcome the weak one. In the case of cross-eyes the person affected may avoid looking duplicate by using only one eye at a time. This happens also in habitancy who have one eye farsighted and the other nearsighted, if they are not balanced suitably with proper eyeglasses they will use only one eye at a time for seeing. If this is not corrected the good eye will be used and the weak one will turn. Sometimes good results are secured merely by prescribing eyeglasses which will tend to hold the two eyes in position. Children have been found quite able to tolerate eyeglasses at the age of fifteen months. The earlier the glasses are used, the more principal will be their effect.
It has also been recommend that the weak eye be exercised by discrete training devices to overcome the habit of suppressing the image of one eye. In positive types of cases, when the insufficiency is very slight, this so-called "orthoptic" training is successful. Many types of apparatus have been advanced by specialists in diseases of the eye for giving training of this character. The most convenient age for training is between three and six years of age. After the age of seven years the results are rarely satisfactory.
The surgical procedure for overcoming cross-eyes is most certain. proper placement of the eye muscles will tend to bring the eye back into proper connection to the other eye and will permit binocular vision. The performance will not enhance the foresight of the eye but will preclude the foresight from being lost from failure to use the eye successfully. Moreover, the revising of cross-eyes is very foremost for establishing a proper thinking attitude in the child. Children with cross-eyes may become so shy and so sensitive to laughter that they will become "shut-in" personalities and their lives be thereby ruined.
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