2024年9月24日 · The Basics: Different Types of Contact Lenses . There are many types of contact lenses available that correct vision problems (refractive errors). Some options include soft lenses, hard lenses, bifocal lenses, toric lenses, and multifocal lenses. The type of lens you need depends on what kind of refractive error you have.

2 天之前 · Types of Contacts. There are two major categories of contact lenses: Soft lenses. These are worn by 90 percent of contact lens wearers. Soft contact lenses are thin, flexible plastics (silicone hydrogel). The FDA considers them disposable, so they must be replaced after a certain time. Hard lenses. People with abnormal corneas or specific ...

2024年6月26日 · Various types of contact lenses are fitted for different situations and people. These include: Soft lenses. They’re the most common type of contact lens and the easiest to get used to. Rigid gas permeable (RGP). These are less common and can take a bit more getting used to. Toric lenses. A special type of contact lens for people with astigmatism.

2024年10月9日 · Choosing the right type of contact lenses can be confusing. Here's everything you need to know about multifocal and bifocal contacts.

2024年9月24日 · Scleral contact lenses are large-diameter gas-permeable (GP) contact lenses. They cover the entire corneal surface and the white (sclera) of the eye. This provides a perfectly smooth optical surface to correct vision problems caused by corneal irregularities.

2024年4月29日 · Rigid gas permeable, or RGP lenses, are hard contact lenses. They can benefit people with severe astigmatism and provide sharper vision for high prescriptions. RGP lenses are custom-made for every patient.

2024年7月23日 · Contact lenses offer a convenient and comfortable alternative to traditional eyeglasses. These days there’s a wide range of options that can cater to specific needs and preferences. In this article, we’ll examine the usage statistics and success rates of different types of contact lenses.

2024年9月24日 · Gas permeable contact lenses (GP) or rigid gas permeable contacts (RGP) are hard contacts. They’re made of a firm plastic material that allows oxygen to pass through to the eye (oxygen-permeable lenses).

2024年9月24日 · Bifocal contacts and glasses offer two distinct optical powers. In most cases, they’re for people with presbyopia and myopia, hyperopia, or astigmatism. This type of lens corrects objects both near and far. Trifocals. Trifocals also provide an added viewing zone for intermediate vision.

2024年3月14日 · The Best Contact Lenses: Types and Brands that Work. Medically Reviewed by Dr. Melody Huang, O.D.