Barbur Blvd Optometric Clinic (Portland,OR 97219)

• What is the cost of ortho-k lenses?

  The total cost for ortho-k lenses which include all appointments and materials needed will be $800.00 to $1200.00. Hope this can help you.

• Why does my vision go completely black for a few seconds?

  I often have such problem. It usually happens when I wake up or stand up suddenly. My doctor said it was because Low blood pressure or Low blood sugar. You may see the doctor to find the real cause.

• What should I apply when cleaning glasses with anti-reflective Lenses?

  You should not use the regular detergent liquid as the harsh chemical may damage the anti-reflective coating. There are some special cleaner safe for anti-reflective coating you can get at the optical store or use only products that your optician recommends.

• Can wearing other people's glasses damage my eyes?

  If you wear other's glasses for only several times, it doesn't matter a lot. But it is not suggested to wear other's glasses because everyone's prescription is different such as the sphere number and PD number. You will feel dizzy and even get a headache when you wear it for a long time.

• What's the difference between polycarbonate lenses and Trivex Lenses?

  Polycarbonate lenses are available in a wider variety of lens designs than Trivex lenses. Trivex lenses have a higher Abbe value and may produce sharper peripheral vision with less chromatic aberration than polycarbonate lenses. Trivex lenses have less internal stress and may produce sharper central vision than polycarbonate lenses.

• Does children with slight astigmatism need to wear corrective eyeglasses?

  If your child has slight astigmatism without myopia or hypermetropia, he don't need to get corrective lenses. If your child often gets headache, eyestrain, or distortion of vision while tilting of their heads to see clearly, then the corrective lenses for astigmatism are needed to make the vision clear and comfortable.

• Why is there dark spot on the back of eye?

  If you have got an eye injury before, the dark spot could be extravasated blood. If the dark spot seems to move when you move your eyes, it could be eye floater. It won't damage your vision.

• Are non prescription colored contacts safe for eyes?

  They are just as safe as prescription contacts. As long as you wear them in a correct way, there won't be any problem. But you must have the contact lenses fitted an eye doctor because they are in different sizes.

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