Contact Lenses

What to Expect at a Contact Lens Exam

Contact Lenses Exams | Los Altos CA

If you already wear contacts and want to have your contact lens prescription updated, please wear them in for your appointment. If you have never worn contact lenses, please make sure you notify our receptionist when you schedule your contact lens fitting. This will ensure your exam includes extra time for your optometrist or ophthalmologist to perform additional tests needed for a proper contact lens fitting.

We utilize the latest technological advances in contact lens materials and design each fit with the patient’s needs in mind. During the fitting it is determined which modality of wear is best for the patient’s visual needs.

Contact Lens Practice

Our practice offers a comprehensive array of contact lenses to suit our patients' individual needs - from daily disposables or extended-wear soft contacts to rigid gas-permeable lenses. We can help you find out which contact lenses are best for you. There are two classifications of contact lenses - soft and rigid gas permeable lenses. All contact lenses require a prescription.

Soft contact lenses (Daily, Biweekly, Monthly, Quarterly)

Daily-wear Lenses

Daily-wear soft contact lenses are by far the most popular type of contacts worn. Made of a flexible plastic polymer, daily-wear lenses are put in each morning and taken out each night. They are replaced according to an established schedule.

Extended-wear Lenses

Extended-wear soft contact lenses can be worn all the time, including while you sleep. Depending on whether you have 7-day (standard) or 30-day lenses, you only need to take out and clean your contacts once a week to give the eyes a rest and reduce the risk of a corneal infection. Extended-wear lenses are made of soft silicone that retains moisture longer than daily-wear contacts, allows more oxygen to reach the eye, and prevents bacteria and protein buildup.

Although many patients prefer the convenience of 30-day contacts, be aware that they tend to be stiffer than 7-day lenses, scratch more easily and may be blurrier.

Disposable-wear Lenses

Disposable soft lenses are intended to be thrown out and replaced after you've worn them for a certain length of time. This makes them even easier to maintain than regular soft contacts. Many disposable lenses are designed for replacement each morning, every two weeks, or even every months. Daily-wear disposables are worn during waking hours only, while extended-wear disposables can be worn for longer periods.

Rigid gas permeable lenses

Rigid, gas-permeable contacts offer several benefits over soft lenses. They:

  • Can correct a wider range of vision problems, including a high degree of astigmatism;
  • Provide sharper vision than most soft lenses;
  • Allow more oxygen to pass through to the eye, reducing the risk of corneal irritation;
  • Are more durable than soft lenses and don't need to be replaced as often, lasting as long as two or three years.
  • Less likely to tear like soft contact lenses.
  • Less prone to a buildup of deposit.

Because they are much harder than flexible contacts, gas-permeable lenses may take some getting used to when you first start wearing them. They are also more likely than soft lenses to slip off the center of your eye and require adjustment, making them an inconvenient choice for patients who play sports or participate in other demanding activities. However, most patients soon grow accustomed to the feel of gas-permeable lenses and are satisfied with the improvement in vision they offer without the need for glasses.

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762 Altos Oaks Drive
Los Altos, CA 94024


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F: (650) 948-0563

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