BCGI Health Tips and Advice

Posts Tagged ‘function’

The days of daily removal and cleaning of an artificial eye are gone. Most ocularists and ophthalmologists now agree that if the ocular prosthesis is not causing irritation to the eye socket, it should be left alone. It may however require occasional lubrication depending on the function of the tear ducts or other natural lubricants of the eye socket. In fact, it is now believed that handling the ocular prosthesis can increase the chance of infection in the eye socket and it should only be handled when necessary. However, the area surrounding the eye socket such as the eye lid and eye lashes should be cleaned daily in order to remove buildup of the eye’s natural secretions. When cleaning this area, it is important to remember to only rub from the outside of the eye towards the nose as not to displace the prosthesis.

Prescription eyeglasses help wearers perform even the simplest tasks in daily life. This crucial function of them relies on their cleanness to some degree. Only clear lenses would offer clear vision correction. In this case, prescription glasses are worthy of proper and regular cleaning by wearers. Moreover, prescription glasses are always expensive. Without proper cleaning, they can be destroyed or messed up in some ways. This is absolute not the case any one wants.

Caring for prescription glasses requires some special precautions, which are essential to maintain them in good condition as long as possible. In order to clean away the grit and grime on prescription lenses, people should use an appropriate liquid such as warm soap water. This is the most preferable way to clean lenses. Without the availability of such a liquid, never clean prescription glasses with improper devices. Dry cleaning is strictly prohibited. Some people usually use some kinds of dry cloth such as a paper towel, a tissue or just a soft handkerchief. This kind of tools actually does more harm than good. Scratches are the most common risk caused by a dry cloth used to remove substances on lenses. Lens scratches can be bothersome if they occur in the central part of a lens. Even if they do not cause significant or direct effect on one’s vision, they will reduce the life span of an expensive pair of glasses.

Eyes are among the most precious organs of the human body for sighted people, as they have the prime function of enabling you to see the outside world. As eye care is always a preventive step towards good eye health, special measures should be taken by people in preventing damage to the eyes due to dust, UV rays and harmful chemicals.

Exercises and nutrition are some of the best methods you can adapt to for good eye care. And nutrition means including various vitamins, minerals and rich vegetables in your diet.

Note that:

• Carrots are a source of vitamin A, C and E. These vitamins are antioxidants that improve eye health and enhance night vision. Orange, kiwis and grapes are rich in the above vitamins.

• Leafy vegetables including spinach, green peas, French beans and lettuce, when taken in large quantities help in improving your eyesight.

• Nuts, seeds, pepper, eggs, fish and poultry included in food items provide nutrition for eye health. Minerals and nutrients neutralize the harm done by free radicals. This slows down age related eye problems.

• Diet deficient in saturated fats and rich in omega-3 fatty acids has shown to slow down eye related problems.

Contact lens or called cornea contact glasses is a kind of optic to correct the vision or protect eyes. Not only does contact lens make improvement of the sight of myopia, hyperemia, astigmatism and other ametropia patients, but also provides wide field of vision and vivid effect. What’s more, it plays an important role in the control of youngster myopia, astigmatism and treatment of special eye diseases.

The development history of contact lens:

The idea of putting on optic directly in the eyes dates back to the year 1508.Leonardo da Vinci firstly assumed that the optical function of cornea can be taken place with a glass bottle filled up of water.

In 1636, Rene Descartes made similar proposal.

German scientist Eugen Fick succeeded in creating the first contact lens in 1887.

In 1845, an English man called Herschel discovered that pour some animal gelatin into the surface between glass and eyes to cover the cornea can correct defects of vision temporarily.

Mullen and Obring made the first pair of all-plastic-cement contact lens after the invention of material PAM in 1938.