Know the Contact Lenses Types for Choosing the Best

Contact lenses are basically thin lenses that can be placed directly on the pupil for correcting vision or for cosmetic considerations. These lenses provide better peripheral vision that traditional spectacles and do not collect moisture and sweat making those ideal for sports and other outdoor works. There are various contact lenses types available that are preferred by celebrities and fashion savvy ladies for having different looks matching the mood of the occasion. This article aims to give brief details about contact lenses types advantages and disadvantages.

What are the different contact lenses types?

Contact Lenses TypesThere are four Different types of contact lenses: Soft, Rigid Gas Permeable (RGP), Extended Wear and Disposable (Replacement Schedule) Contact Lenses. In addition to all these there are also colored eyes contact lenses that can change the color of the pupil.

  1. Soft Contact lenses

Soft contact lenses are made of soft, flexible plastics and more comfortable than other types. This are meant for daily use and the contact lenses cornea are worn directly on the cornea.

Features of soft contact lenses

  • More comfortable than other lenses and anyone can adapt to these lenses almost at once.
  • These are water absorbent and the softness is due to the water absorbency properties
  • Being gas permeable allow oxygen to pass through the contact lens to the cornea.
  • The larger size of soft lenses can stabilize the lens.

Benefits

  • Reduce the risk of having dry eye symptoms
  • Being naturally wettable , no need to add wetting drops
  • Keep the eyes healthy.
  • Suitable for outdoor sports

How to wear?

  • Wash hands and make sure that they are clean and dry.
  • Pour the lens meant for the right with the solution into the left palm.
  • Place the lens on the tip of the index finger of the right hand
  • Hold the upper eyelid open using the middle finger of the left hand
  • The lower eyelid also has to be pulled down with the middle finger on the right hand
  • Now look up and put the lens gently either on the lower white part of the eye or on the center of the eye.
  • Look down for positioning the lens correctly. Release the eyelids and close the eye for a moment and you are through.
  • Repeat the process for the left eye
  • Never forget to do all these over a plugged sink

  1. Rigid Gas Permeable (RGP) Contact Lenses

There are more durable and belong to contact lenses hard types. Also offer more clear vision. These are easier to handle but takes around a week or two to get adapted.

Features of RGP

  • Offers more flexibility and oxygen permeability.
  • Renders high vision sharpness.
  • Being made of tear resistant material these are more durable.
  • Also being resistant to deposits accumulates less protein and other surface deposits.

Benefits of RGP

  • These can correct irregularities in the shape of the cornea and thus alleviate astigmatism
  • Prevents the progression of nearsightedness , especially in children
  • Chances of having eye inflammation is considerably reduced
  • Since last for a long period these are economic

How to wear?

  • Wash hands and make sure that they are clean and dry.
  • Pour the lens meant for the right into the left palm and clean by gently rubbing both sides with cleaning solution.
  • Place the lens on the tip of the index finger of the right hand and put 1 drop solution on the back of the lens.
  • Hold the upper eyelid open using the middle finger of the left hand
  • The lower eyelid also has to be pulled down with the middle finger on the right hand
  • Now look up and put the lens gently on the center of the eye.
  • Look down for positioning the lens correctly. Release the eyelids and close the eye for a moment and you are through.
  • Repeat the process for the left eye
  • Never forget to do all these over a plugged sink

  1. Extended Wear Contact Lenses

These are soft contact lenses and one can choose contact lenses of this type for continuous wearing up to 30days. Duration of continuous wear is dependent of the type of the lens. The eyes must have at least one night’s rest without lens following each removal.

Features

  • Thinner than usual contact lenses
  • Made of silicone hydrogel.
  • Have very high oxygen permeability.
  • Ideal for persons having binocular vision abnormalities.
  • Helpful for people with high activities military personnel or emergency workers who do not have the scope to clean the lens always.
  • People with especially bad vision and high refractive errors also benefit from this lens.

Benefits

How to wear?

  • Wash hands and make sure that they are clean and dry.
  • Pour the lens meant for the right with the solution into the left palm.
  • Place the lens on the tip of the index finger of the right hand
  • Hold the upper eyelid open using the middle finger of the left hand
  • The lower eyelid also has to be pulled down with the middle finger on the right hand
  • Now look up and put the lens gently either on the lower white part of the eye or on the center of the eye.
  • Look down for positioning the lens correctly. Release the eyelids and close the eye for a moment and you are through.
  • Repeat the process for the left eye
  • Never forget to do all these over a plugged sink

  1. Disposable (Replacement Schedule) Contact Lenses

Some soft contact lenses are called as “disposable” but in practice, they are for frequent or planned replacement. With a true daily wear disposable schedule one uses  a new pair of lenses everyday.

Features

  • Can be worn for long time as per replacement plan
  • Move with the eye and ensures natural view range
  • Available in tints

Benefits

  • Better peripheral vision
  • Minimum risk of eye infection
  • Suitable for outdoor activities

How to wear?

  • Make the hands clean and dry.
  • Pour the lens meant for the right on the left palm.
  • Lift it with the tip of the index finger of the right hand
  • Hold the upper eyelid open with the middle finger of the left hand
  • The lower eyelid also has to be pulled down with the middle finger of the right hand
  • Now look up and put the lens gently either on the lower white part of the eye or on the center of the eye.
  • Look down for positioning the lens correctly. Release the eyelids and close the eye for a moment and you are through.
  • Repeat the process for the left eye
  • Never forget to do all these over a plugged sink

Where to get daily wear contact lenses?

One can buy contact lens of all types online or from shops.

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Lakshmi Rekha

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