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Contacts


Glasses | Common Optical Terms | Common Glasses Problems and Solutions

Due to advanced technology in plastics and design, nearly all patients, with few exceptions, can be successfully and inexpensively fitted with contact lenses. Davidson Optical Designs specializes in the "hard-to-fit" patient, and offers an excellent contact lens program with a wide variety of contact lens designs to suit each individual's needs and lifestyle. With our fitting program, each patient is meticulously custom fitted with a lens in accordance with their specific needs. Contact lens training, management, and ongoing support are carried out in our lab by qualified personnel. For nondisposable lenses, we offer a contact lens replacement policy which will replace lost, torn, or worn out contact lenses inexpensively. Included below is a list of contact lenses fitted by Davidson Optical Designs:

  • DISPOSABLE DAILY AND EXTENDED WEAR SOFT (TINTED AND NON-TINTED)

  • REGULAR DAILY WEAR SOFT (TINTED AND NON-TINTED)

  • GAS PERMEABLE LENSES

  • DURASOFT LENSES FOR EYE COLOR CHANGE

  • DAILY WEAR TORIC SOFT CONTACT LENSES FOR ASTIGMATISM

  • BIFOCAL CONTACT LENSES

Over 24 million people choose contact lenses to correct vision. When used with care and proper supervision, contacts are a safe and effective alternative to eyeglasses. And with today’s new lens technology, many people who wear eyeglasses can also successfully wear contacts.

Contacts are thin, clear discs that float on the tear film that coats the cornea, the curved front surface of the eye. They can be made from a number of different plastics. The main distinction among them is whether they are hard or soft. Most wearers in the U.S. wear soft lenses. These may be daily wear soft lenses, extended wear lenses, or disposable lenses. Toric soft lenses are used for correction of astigmatism.

 

Soft Contact Lens

 

Thin, comfortable, flexible. Comes in disposables, daily wear, extended wear, toric desibgn (for astigmatism, and bifocal.

Contact Lenses

Rigid "Gas Permeable" Contact Lens

Superior visual quality. More uncomfortable initially than soft lenses. Less upkeep than with soft lenses. Comes in daily wear, toric and bitoric designs to fit any corneal curve, and bifocal.

PLANNED REPLACEMENT is a flexible program that we offer where lenses are replaced on a regular basis. This can range from DAILY replacement to replacement every 2 – 3 months. The most popular type of contact lens we fit are DAILY WEAR DISPOSABLES that are replaced every 2 weeks. The advantages of a planned replacement program are the ease of cleaning and constantly having a fresh lens in your eye which promotes long term corneal health. These lenses come in tinted and non-tinted varieties, and are also available as BIFOCAL contacts. TORIC lenses for astigmatism are also available for planned replacement and can vary from every month to 6 months.

Rigid gas permeable lenses (often known as "hard lenses") are usually not as comfortable as soft lenses and are not as widely used. However, rigid gas permeable lenses provide sharper vision for people with higher refractive errors or larger degrees of astigmatism.

The majority of people can tolerate contact lenses, but there are some exceptions. Conditions that might prevent an individual from successfully wearing contact lenses include dry eye, severe allergies, frequent eye infections, or working in a dusty and dirty environment.

Extended wear contact lenses are controversial at best, and many ophthalmologists are hesitant to recommend them due to a higher risk of corneal infection. Studies have shown that there is a 10-15 times greater risk of infection when lenses are worn at night as opposed to taking them out at bedtime. Infections can range from a simple conjunctivitis to blinding endophthalmitis, which is a serious infection that travels through all the layers of the eye. It was thought that disposable lenses would reduce the incidence of infection, but in actuality, infection with extended wear disposables still remains a problem. However, newer plastics that are virtually 100% breathable are being developed and may hold some promise for those wanting extended wear lenses.


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