Contact lens types

Soft contact lenses have been released in many different formats since they were first developed in the 1960s.
Soft contact lenses were originally designed to be worn for 12 to 18 months and removed nightly. These contact lenses are now called “conventional soft contact lenses”. They are usually prescribed as a specialty lens and are generally used when frequent replacement or disposable contact lenses are not available. They have the disadvantage of being more expensive and tend to accumulate surface deposits. This mode of lens wear requires more diligence with cleaning and care.

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