All You Need to Know About Contact Lenses and Their Uses

Many people globally need to correct their vision, and thanks to technology, the options are much better than before. Since the 20th century, when contact lenses were still a new phenomenon in the scene, the use of the devices has been increasing every year. Many people are ditching the traditional glasses and opting for the new equipment in the industry.

There are several reasons that people are using contact lenses. They are good alternatives to the glasses while others do it because of preference. On the other hand, the equipment is cosmetic as they come in different colors meaning a person can change their eye color depending on the shade of the contact lens. Regardless of the reason to consider them, this read will give you insights into the eye lenses and how to use them.


About Contact Lenses

The devices are medical and help with visual problems. They correct the refractive capabilities of the eye and work like standard medical eyeglasses. However, apart from having frames and hanging externally, contact lenses are on the cornea’s surface. You place them on the layer on top of the cornea.

Contact lenses are not easily detectible as they are usually clear and look natural. Unlike the alternative, a person will not know that you are wearing them. However, there are colored ones that change the eye’s appearance. It means you can choose the contact lenses at Clarity Vision depending on your style and preference. Below are different types you can choose;

Soft Lenses; are thin lenses that are made from hydrogels. The materials are plastic but not easily detectible. They are easy to put on and comfortable to the eyes.

  • PMMA lenses; are the hard types of lenses as they use rigid materials.  Although they are good at improving vision, they are not porous, thus limiting oxygen in the eyes. They are traditional types of contact lenses that are quickly getting out of the market.
  • Silicone hydrogel lenses; are an upgrade from soft lenses as they offer more breathability to the eyes. They are common in the modern setting due to their comfort and ability to allow air to reach the eye surface.
  • Permeable lenses; are lenses that allow oxygen to the cornea. They integrate with the eye surface. Also, their vision capabilities are better than the alternatives, and it is an excellent option for particular eye conditions. Although it may take time for the eyes to adapt to the lenses, their comfort improves as the eyes adapt to them.
  • Hybrid lenses; are new inventions that aim at improving silicon hydrogel and soft lenses. The center part is porous, while the area surrounding it can either use plastic or silicone. They are costly than the alternatives but an upgrade worth considering for better vision.

The Prescription

You should not purchase contact lenses without a prescription. An optician is qualified personnel to recommend what you need to use. An eye examination is vital to determine the problem. Also, it would be best if you had the correct dimensions to fit your eye. Below are the steps in getting a prescription;

  • Testing; an optician uses a chart to understand a person’s vision and eye needs. They will help determine your visual problems through the tests and ascertain if you will use contact lenses or traditional eyeglasses.
  • Questioning; the medical practitioner will ask questions about your lifestyle t determine the suitability of contact lenses. The answers will impact the type of contacts they recommend fr use.
  • Fitting; dry eyes may not be ideal for contact lenses use. The optician will ascertain whether the lens can fit well with the items or worsen the condition. The dimensions of the eye surface matter in finding a fitting lens depending n a person. An optician will have the equipment to measure the dimensions and have samples y can try out t know the best fit.
  • Follow-up; regular assessment is necessary to ensure the eyes adapt to the lenses. After ascertaining the items are comfortable and aid in your vision, they can give you a prescription for subsequent purchases.

How Contact Lenses Work

An optician will prescribe soft lenses for most eye challenges. However, individuals suffering from short or long-sightedness have several options to choose from. It is why you need a professional to assess your problem and prescribe the best options to use. Below are some categories to the contact lenses you can get from an optician;

  • The Daily wear; contact lenses have a different duration that a patient can wear them. After using them, a person should dispose of those while others you can wear for a week or more. There is no need to disinfect and cleaning the daily ones after use. However, the weekly will require disinfecting and cleaning every time you wear them before ultimately disposing off. On the other hand, some options last at least a month, but regular care is essential each time you use them.
  • Extended wear; these are the types that can stay for extended periods on the eyes without removing them. Although they are for extended use, it is advisable to remove them regularly. An optician will advise on the best contact lens to use and the duration to wear them.

Caring for your Contact Lens

The lens manufacturer may include recommendations for caring for your contact lenses. But here are some tips to help you care for them;

  • Utilize the proper solution for cleaning the contact lenses. Ensure you keep the cleaner fresh and do not keep the contact lenses in hm for prolonged periods. Avoid using water or other homemade solutions for the cleaning. Clean them daily as you remove from the eyes, rinse and keep them dry for subsequent use.
  • Ensure you clean your hands with soap and water when handling the lenses. Drying the hands eliminates the risks of infecting the eyes.
  • Care for the casing; it is vital to change the casing after a few months and clean them using the solution.


It is best to remove the lenses when going to sleep or engaging in activities like swimming and bathing.

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