Q. HOW CAN I BE SURE THAT NIGHT LENSES (ORTHO K) WILL WORK FOR ME?
A. As long as your prescription is within the guide lines your vision should be corrected.
Q. WHAT PRESCRIPTION DO THEY WORK FOR?
A. Night lenses mainly work for Myopia (short sight) between -1.00 and -7.00.
Q. HOW LONG HAVE NIGHT LENSES BEEN AROUND FOR?
A. They were actually invented around 20 years ago, but they are only really starting to take off now.
Q. WHAT IF I MISS A NIGHT?
A. Your eye will maintain it’s shape/vision for at least 48 hours, but they need to be used nightly for effect.
Q. WHAT ARE THE BENEFITS VS LASER EYE SURGERY?
A. Laser surgery isn’t reversible. It’s a good way of testing whether laser surgery might be for you.
To help you decide whether Night Lenses are for you we’ve compiled a ‘Pro’s & Con’s’ list below from people who have used them and also from clinicians, so you can get both a lifestyle and clinical view.
- Feeling of having naturally good eyesight.
- No worry during the day about dirt or lens loss.
- No lens feeling or dryness during the day.
- Freedom to do anything without having to worry about contact lens loss e.g. swim, beach, mountain bike.
- No vision fluctuations during the day.
- Parents can supervise lens handling and not worry about issues during the day.
- Parents don’t worry about specs getting damaged.
- No spec damage.
- Freedom to choose designer sunglasses.
- No nose discomfort from spectacle wear.
- Reversible. No permanent change like laser eye.
- Can be altered if your prescription changes with age.
- Slows myopic progression (short sight getting worse).
- Better for the environment than daily disposables.
- Vision takes a few weeks to get fully corrected.
- Higher / astigmatic prescriptions not fully correctable.
- Can get glare at night from lights.
- Initial comfort not as good as soft lenses.
- Not great as part time correction.
- Cleaning and care of lenses needed (similar to monthly lenses).
- Risk of contact lens related infection (similar to daily and monthly lenses compared to no risk with glasses).