Prescription and non-prescription contact lenses

Believe it or not, contact lenses are gaining popularity

. Compared with eyeglasses, contact lenses feature significant convenience, so that many people like to wear contact lenses if they want to attend a party. In addition, active sports and fun activities also require people with a vision problem to wear invisible contact lenses. There are still individuals who wear colored contact lenses to change their eye color slightly or completely. In fact, there are mainly two categories of contact lenses, namely, prescription contacts and non-prescription ones.

Prescription contact lenses are also called corrective contacts. They are worn by people who have vision problems. In the United States, these contacts are sold with a prescription. For individuals who first buy corrective contact lenses, it is always recommended that a check up with a doctor is necessary. This doctor's visit can determine the dioptre needed by each eye. This is essential to get proper vision correction. In addition, the eyes need to be measured so that the lenses will be prescribed in a right size. Only contacts with an exact size will fit appropriately with a wearer. Improperly fitted lenses may fall out of the eyes or even cause eye irritation.

Non-prescription contact lenses are sometimes called theatrical lenses. In most cases, these lenses are made with a specific color, like while, black and so on. Many folks use these lenses to change or enhance their natural eye color. These lenses that enable wearers to change their eye color are nowadays popularly used during festivals and parties. Users can get a completely different appearance by wearing colored contact lenses. The reason for this is that most people will notice others' eyes at a first glance. Non-prescription contact lenses also need enough research before buying. Like prescription lenses, they come in many brands. Contacts are so crucial medical devices that only renowned brands are trusted.

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