Prescription contact lenses for astigmatism
Prescription contact lenses come in different types for various vision problems. One of them is prescription contact lenses for astigmatism. Astigmatism is one of the most common vision problems. In most cases, astigmatism brings slightly blurred vision while severe one will lead to headache or eye strain. Since astigmatism causes many symptoms, astigmatism contact lenses are particularly designed to correct astigmatism. Unless it is extreme, astigmatism can be compensated with proper prescription contact lenses.
Many years ago, only rigid gas permeable (RGP) astigmatism contact lenses were available. GP prescription contact lenses correct astigmatism by making the surface of the eye spherical. In this way, they themselves must be spherical first. The advantages of GP astigmatism contact lenses include clear, stable astigmatism correction. They are also more economical. Even though the initial cost of GP prescription contact lenses for astigmatism may be a little more than soft lenses, they last a longer period. GP prescription contact lenses for astigmatism are more durable and less likely to develop deposits as soft ones. The biggest disadvantage of GP astigmatism contact lenses is discomfort. Customers need a couple of weeks to become accustomed.
Soft prescription contact lenses for astigmatism are made of hydrophilic, flexible materials. They have different powers built into the lenses. This kind of contact lenses is also called soft toric astigmatism contact lenses. Soft toric lenses have easy adaptability and good comfort even initially. Soft astigmatism contact lenses offer a variety of replacement schedules, such as weekly and two weeks. The most outstanding drawback of soft prescription contact lenses for astigmatism is the potential for fluctuating vision. All soft lenses rotate and move somewhat in the eye since astigmatism eyes are asymmetric.
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