What are the different types of contact lenses commonly used?

Types of Contact Lenses

• Soft Contact Lenses.
• Rigid Gas Permeable (RGP) Contact Lenses.
• Extended Wear Contact Lenses.
• Disposable (Replacement Schedule) Contact Lenses.
• Lens Comparison.
• Specialized Uses of Contact Lenses. Orthokeratology (Ortho-K) Decorative (Plano) Contact Lenses.

What is contact lens fitting?

When you go to your doctor for a contact lens fitting, he’s checking your eyes to decide what strength you need, and what type you need. There are various types of contacts, some for sensitive eyes, some for astigmatism, and even some for those who need bifocals.

What are the three important goals in contact lens assessment?

To perform techniques to verify and inspect contact lenses. To use auxiliary CL instruments and tests (e.g., trial set, fluorescein testing). To perform CL verification for vision correction, fit, and comfort.

What is the difference between a standard and premium contact lens fitting?

Standard contact fitting is the applications of clear, soft, spherical, daily-wear contact lenses for single-vision prescriptions; Premium Contact lens fittings are conducted for more complex applications. Your doctor will advise which fitting is right for you.

What are elective conventional contact lenses?

Non-elective contact lenses, also called medically necessary contact lenses, are prescribed by your optometrist to correct these types of eye problems, whereas elective contacts are chosen by the patient to correct an eye issue that eyeglasses or sometimes laser surgery can also correct.

What are conventional lenses?

Conventional contacts are a type of soft lens, usable for a long term, which is recognized by the typical vials they are packaged in. Proper care, cleaning and disinfection with correct lens care products on a regular basis can make these lenses last from several months up to a year.

Are contact lens fittings required?

For contact lens wearers, a contact lens exam is necessary to ensure the lenses are fitting both eyes properly and that the health of the eyes is not harmed by the contact lenses. Before we take a closer look at what happens during a contact lens exam, let’s talk about normal eye exams.

Why do I need a contact lens fitting every year?

If you wear contacts, you need to see your eye doctor annually for an exam. Since contact lenses cover a portion of the eye they reduce the amount of oxygen getting to the cornea. Over time, this can impact the health of the eye and cause damage.

Why is it important to consider binocular vision when fitting contact lenses?

Binocular vision status is additionally relevant to visual comfort, to ensure children have functional skills for reading and schoolwork and acceptance of their correction, and to avoid dry eye-type symptoms in young adults.

How do we check contact lens fitting?

The evaluation of the right contact lens fit is performed by observing lens centration, movement and whether the lens has ideal position on the cornea. Finally, the use of contact lenses for vision improvement in different cases of corneal ectasia is discussed as well.

What is considered a premium contact lens fitting?

If the contact lens your eye doctor prescribes for you does not fall into the category of a standard contact lens, it is considered to be a premium contact lens. If you are prescribed premium contact lenses, your eye doctor will perform a premium fitting with follow up evaluation.

What is non selection contact lens fit?

• Non-selection contacts. You receive an allowance which is applied toward the. fitting/evaluation fees and purchase of contact lenses. outside the covered contact lens selection.

What are the different types of contact lenses?

Two types of lenses that serve a different purpose are orthokeratology lenses and decorative (plano) lenses. Orthokeratology, or Ortho-K, is a lens fitting procedure that uses specially designed rigid gas permeable (RGP) contact lenses to change the curvature of the cornea to temporarily improve the eye’s ability to focus on objects.

Why is it important to fit the contact lenses correctly?

Hence proper fitting of the contact lenses is important to make sure that there wont be any harm to the eye and visual health. Different types of contact lenses have different Fitting procedures. The most common types of contact lenses are Soft spherical and Soft toric and Rigid gas permeable contact lenses.

What is the difference between soft contact lenses and rigid contact lenses?

Newer soft lens materials include silicone-hydrogels to provide more oxygen to your eye while you wear your lenses. Rigid gas permeable contact lenses (RGPs) are more durable and resistant to deposit buildup, and generally give a clearer, crisper vision.

What is the biggest mistake you can make when fitting Multifocal contact lenses?

The biggest mistake we can make is not following the fitting guide. The basic steps to fit multifocal contact lenses are: Perform a ‘least minus, least add’ refraction for your patient. Determine eye dominance. Choose your modality, lens brand and grab your fitting guide.