Basil H. Bloom BSc(Hons) FCOptom
Optometrist
Orthokeratologist.
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Basil H. Bloom BSc(Hons) FCOptom Optometrist Orthokeratologist.
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Do OrthoK lenses hurt?Isn't it dangerous to sleep in Contact Lenses?When do I wear the lenses?How long will the treatment last?How often must I wear the lensesHow long will the lenses last?Will my vision suddenly revert back?Will I be able to see in the initial adaptation period?How much do they cost?How do I start?Why haven't I heard about OrthoK before?Why don't all Optometrists Fit them?Can I have OrthoK after laser surgery.
Do OrthoK lenses hurt?No.The lenses are made out of highly gas permeable material which allows lots of oxygen through to the cornea. The design of OrthoK lenses is such that there is a large Tear pool under the lens which helps make them comfortable. For patients who have never worn Rigid lenses before, we suggest that they wear them for about 2 hours on the night before they first sleep in the lenses. Isn't it dangerous to sleep in Contact Lenses?Some Contact Lenses are designed to be slept in. It is only dangerous to sleep in lenses which are designed for daily wear. When do I wear the lenses?You sleep in the lenses and remove them in the morning. You will be able to see for the rest of the day without spectacles or contact lenses. How long will the treatment last?The change in your prescription should last between 24 and 36 hours. How often must I wear the lensesMost patients need to wear their lenses every day. Some can wear them every other day How long will the lenses last?If you are careful, Gas Permeable lenses can last up to 2 years. Will my vision suddenly revert back?No. The change is gradual over 2-3 days. If you do find that your vision in the evening is not as good as in the morning you have 2 choices.
Will I be able to see in the initial adaptation period?Most of the prescription change occurs in the first night. If you need some extra help we can give you daily disposable lenses for a couple of days. How much do they cost?See my cost page. How do I start?Give me a ring to make an appointment. Why haven't I heard about OrthoK before?Although it has been practised for about 30 years in USA, it was unreliable and unpredictable. Recent advances in lens design and equipment mean that it now works reliably and predictably. Why don't all Optometrists Fit them?The technique is very complicated and the equipment required very expensive. It takes up a lot of chair time and so most practitioners prefer to fit the easier types of lenses. Can I have OrthoK after laser surgery.Generally OrthoK is not recommended after surgery but each case must be assessed by your optometrist. |
Copyright © 1999
Basil H. Bloom Optometrist
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