By Edna Booker


When selecting ordinary spectacles, personal preference is the key factor. However the kind of contact lens you choose will be determined by the diagnosis made by your optometrist. They are prescribed according to your needs. Below are some tips to help you in purchasing Sacramento contact lenses.

There are various kinds of these lenses. The hard type is not permeable to oxygen and therefore not recommended generally. There is a soft type too. The decision on which of these two to choose will depend on comfort, health and the clarity of vision desired. Daily wear lens are acclaimed. The extended wear ones can negatively affect the eyes if not removed for prolonged periods.

Those whose working hours are not well defined should go for the extended wear one but make sure they go for checkups periodically. They should also not sleep with them if possible. For the soft kind, try to get the disposable ones. However, their prices are usually high. Athletes should use the soft kind as their profession involves rapid eye motion. If injury does occur, the resulting trauma to the eye by the lenses is insignificant.

Cleaning, disinfecting and rinsing them every day is a must. The cleanser utilized differs from one type to the other. For the soft lens, set in the inside of the hand and add gently the cleanser. Rub cautiously with the finger at the middle until they are clean. Do the same for the next side. The hard type is rubbed by the thumb and also index finger to clean the sides simultaneously. The entire process needs one to minutes for completion.

Rinsing is done to remove all the traces of the cleanser which can cause harm to your eyes. The hard lens are rinsed using tap water while the soft ones are rinsed using sterile bottled saline. The rinsing process follows the same steps as cleaning.

Disinfection is the process that comes after rinsing is over. Hard kind of lens is placed in storage solution for disinfection. Hydrogen peroxide, heat or chemical are used in disinfection of the soft kind. Protein removal is another important procedure to be done on the lens every week. This works to get rid of accumulated proteins from tears. This is extremely important when one is using heat as the disinfection technique as denaturation of protein deposited prior can occur.

Before purchase of the lens care products, the optometrist must be consulted too. The available care products for the hard or rigid oxygen permeable lenses are consistent and simple. There steps to be followed are short and simple too. For the soft lens users sensitive to chemical type of disinfection, a switch to either heat or hydrogen peroxide disinfection can be made.

The extended wear type of lens can be damaged by heat disinfection. For those who find disinfection by use of hydrogen peroxide difficult or complicated, chemical disinfection is the simpler alternative. Hydrogen peroxide should is not to be used with colored soft lenses as it will bleach them.




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