Frequently asked question
Here are the answers to the most common questions which our experts get on contact lens
1. When I started using lenses, people always told me that lenses must not be worn for long as they have a tendency to crack which could turn you blind... Is it true?
Contact lenses are very safe. User need to follow the instructions given while contact lenses were dispensed like, clean them properly and replace them as directed by their eye care practitioners. One should avoid using chipped or cracked lenses. Today’s technology presents you a high quality product like Silicone hydrogel lenses (e.g.: PureVison2 HD) which can be worn for long hours too.
2. How long does it take to get used to lenses?
You need very less time for a soft contact lens to get used to. Some times few minutes or few days depending on the individual.
3. If my monthly disposable lenses are still comfortable and in good condition beyond a month, can I continue to wear the same pair?
When a contact lens is dispensed eye care practitioners suggests you the disposing modality basis on your eye condition which may vary among individuals. User should follow the instructions given while contact lenses were dispensed like, clean them properly and replace them as directed by the eye care practitioners. Still if you have any doubt about extending the lens usage you should consult with your eye care practitioner, because lenses may look clean with naked eye but can have a possibility of underlying problems.
4. Can we store contact lenses in tap water?
You should never, ever store your contacts in water. Despite being purified, tap water/distilled water can still contain bacteria and other microorganisms that can cause serious eye infections. Water does not disinfect your contact lenses. If you store your contacts in water, in a matter of minutes or hours, bacteria, fungi and other harmful pathogens can grow on your lenses and then get transferred to your eyes. This can lead to sight threatening eye problems.
5. Are colored contact lenses available in spherical power?
Yes, colored contact lenses are also available in Spherical powers.
6. What’s the maximum power up to which contact lenses can be processed?
Bausch + Lomb manufacture a maximum power up to - 20 Diopters in conventional lenses and – 12 Diopters in disposable lenses. Though there can be some local manufactures who can offer custom made lenses for even higher powers.
7. Is it harmful to wear powerless colored contact lenses?
These non-vision-correcting lenses are safe as long as they are properly fitted to your eye. Never "borrow" lenses from friends and do not buy these without proper instructions given for care and maintenance. Talk to your eye care professional if you are interested in these lenses.
8. How to differentiate the correct concave side of the lens?
Keep the lens on finger and pinch the lens together with thumb. If the edges head toward each other (so that the lens takes the shape of a taco shell) the lens is positioned properly for insertion. If the edges fold over on the fingers or turn outwards (like the brim of a saucer), the lens is inside out and must be flipped and repositioned. NOTICE THE CURVE OF THE LENS ON THE FINGER TO THE LEFT ABOVE; IT SLOPES UP AND FORMS A "CUP". THE SECOND FRAME SHOWS A LENS “INSIDE OUT” WHERE THE CURVES FOLD OUTWARDS. FRAME 3 DEMONSTRATES ANOTHER WATY TO DETERMINE “SIDEDNESS, BY PINCHING THE LENS; IT FORMS A "TACO SHELL" SHAPE WHEN PINCHED BETWEEN TWO FINGERS.
9. Can I put in the eye drops with lenses still in my eyes?
There are few eye drops which are recommended to be used over the lenses (e.g renu rewetting drops by Bausch + Lomb), but not all. Better you discuss this with your eye care practitioner whenever in doubt.
10. If, by chance, the lens falls while putting, should I consider it for further use or throw it off?
It is recommended to place a clean towel on the surface where you are inserting your lenses, so that if the lens falls down you can clean it again and use. But if the lens falls on a dirty surface and can’t be cleaned well you should discard the lens.
11. How frequently should I change the solution in the lens case?
You should never re-use your contact lens solution. You should throw it out, rinse out your case with fresh solution, and let it air dry on a daily basis.
12. Can one wash eyes wearing lenses?
While wearing contacts, you can wash your face by keeping your eyes closed so that water doesn’t come in contact with your lenses. Whenever you require washing your eyes better you take out your lenses before that.
13. When new users which lenses should one go for monthly or yearly lenses?
A contact lens modality is decided by the eye care practitioner basis on users’ profile. In general a disposable lens is a healthy option.
14. Can one wear lenses after a cataract surgery?
If required, contact lenses can be worn after cataract surgery; provided the eye is not having any underlying infection and rest other ocular conditions are within normal limits for contact lens usage. One should consult his/her eye care practitioner for this.
15. Do I need to replace my lens case if it looks clean?
Lens case should be replaced at a regular interval, preferably after every three months. The old lens case may look clean but has a potential of carrying microorganisms which may transfer to eyes through lenses and results in serious eye infections.
16. How should I clean my lens case?
Lens case can be cleaned using contact lens multipurpose solution itself. Lens case should be replaced at a regular interval, preferably after every three months. The old lens case may look clean but has a potential of carrying microorganisms which may transfer to eyes through lenses and results in serious eye infections.
17. I just had a power in right eye my left eye is perfectly ok so should I wear lenses in just one eye or both?
For vision correction you need to wear contact lens in one eye only which has power.
18. Can some contacts actually slow or control nearsightedness?
Studies suggest that wearing contact lenses will not significantly alter the natural progression of myopia (nearsightedness) and eventual stabilization of your vision. Orthokeratology is a proven method for the temporary reduction or correction of myopia by wearing specially designed Gas Permeable lenses (not soft contact lenses) to alter the shape of the eye during sleep.
19. If a person has astigmatism, can he/she wear contact lenses?
Contact lenses are safe and are now available in astigmatic corrections too, these are called as toric contact lenses which an astigmatic person can use.
20. Does a person need to see an optometrist or ophthalmologist for contacts?
Either of them should be ok provided they should be practicing contact lenses in routine unless some specialized streams for e.g. a retina specialist may not be practicing contact lenses.
21. Is it safe to wear lenses and work with flame?
Once inserted in eye contact lens will start behaving as part of your eye which will not be affected by surrounding temperature. Hence while working with flame you needs to take care of your eyes as you would have done without wearing contact lenses.