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Contact Lens Evaluation from Our Eye Doctor in Yardley, PA

Contact lenses are very thin, delicately-made, clear optical discs that are put onto the eyes to enhance vision. Contact lenses are also made into specific prescriptions to treat vision problems like prescription glasses.  Contact lenses are used to treat farsightedness (hyperopia), near-sightedness (myopia), astigmatism, and other vision issues.

Woman trying out her first pair of contact lenses in Yardley.

Contacts can reduce or eliminate image distortion that can sometimes occur with glasses. They also allow for better peripheral vision and since there is nothing ‘on’ your face they give you the freedom to live your life and be active without worrying about your glasses falling off.  

Contact Lens Evaluation

Routine eye exams are not the same thing as a contact lens evaluation. For contact lens wearers, a contact lens evaluation is essential to ensure that the contact lenses are properly fitted and that your eyes are not suffering any complications due to the lenses.

During a routine eye exam, the optometrist will examine your eye’s overall health. Through thorough examination, the eye doctor is able to determine if you need some type of vision correction or if you have signs of any serious health conditions.

A contact lens evaluation is an additional evaluation that is performed in addition to your comprehensive eye exam.  During this evaluation, the eye doctor will perform a lens evaluation to determine which type and size contacts are right for you. Your eye care physician may also run a tear film test to determine if you produce enough tears to comfortably wear contacts.

Types of Contact Lenses

Contact lenses are made of specific types of plastic depending on the manufacturer, but there are essentially two types of lenses, hard and soft. These lenses come in a variety of prescriptions to fit the needs of the patients.

  • Hard lenses are also known as rigid gas permeable (RGP) contacts because they are permeable to gases, such as carbon dioxide and oxygen. They are often used for patients who have high astigmatism or keratoconus. These type of contact lenses are often preferred by patients who suffer from allergies or who have a tendency of forming protein deposits on their curvature. Hard lenses last much longer than soft lenses and are easier to disinfect. They also provide crisper vision, but they are costly and can take much longer to adjust than soft contact lenses.
  • Soft Lenses come in three forms, daily disposable lenses, daily wear lenses, and extended wear lenses. Soft contact lenses are made from water absorbing material, HEMA. This material allows the eye to breathe through the lenses and keeps them from drying out. These types of lenses are very delicate and provide maximum comfort when worn properly.
  • Daily disposable lenses must be removed and thrown away at the end of each day. Daily wear lenses, on the other hand, should be removed, cleaned, and properly stored each night before bed. Extended wear lenses are meant to be worn overnight and can be worn for a specific amount of time, sometimes up to 30 days depending on the brand.
  • Toric soft lenses are a special type of contact lenses designed for patients with astigmatism. They come in various shapes and sizes and can be made of different materials. There are certain toric lenses that can be worn daily and some extended, so be sure to check the information before buying a box. These are the most costly of all contact lenses.
  • Bifocal Soft lenses are made for patients who are far- and near-sighted. These types of lenses can also help those seeking monovision corrections.

Contact Yardley Eye Care Today to Schedule Your Contact Lens Evaluation!

Dr. Brian Cohen, your trusted Yardley Pennsylvania eye doctor, and his team are eager to help you find the proper contact lenses you need to live your life!  To schedule your appointment, contact us at 215-369-3937 or stop by our optometry office at 1581 Big Oak Rd. Yardley, PA 19067.

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