Night and day contact lenses are the lenses which can be worn during both days and nights. Most of these contact lenses can be used for 30 successive days and nights. However, you have to consult your eye care professional who will recommend you the duration for which you should wear Night and day contact lenses depending upon the condition of your eyes and the response of your eyes to overnight wear.
Night and day contact lenses, which are made from silicone hydro gel material, are worn on the cornea. Night and day contact lenses refocus light rays to the retina, thus improving or correcting your vision. These Night and day contact lenses are used to correct myopia or near-sightedness and hypermetropia or far-sightedness.
These Night and day contact lenses are the best option for people who lead busy lives and have no time to insert, remove, clean or disinfect the lenses. Introduced in 1999, night and day contact lenses were approved by the United States' Food and Drug Administration (FDA) for wearing it for 30 successive days and nights. You must not go for night and day contact lenses if you are suffering from eye infection, swelling or eye allergies which may aggravate by wearing these lenses. You should also avoid these Night and day contact lenses if you are on some eye medication course.
Advantages of Night and Day Contact Lenses:
- Night and Day contact lenses are very convenient as you no longer need to spend time in inserting, removing, cleaning or disinfecting the contact lenses every day. Once you insert the new sterile contact lenses into your eyes, you can remain tension-free for 30 days.
- Since night and day contact lenses are made of silicone material which contains 24 percent water, there are reduced chances of discomfort in your eyes due to dryness.
- Night and day contact lenses allow six times more oxygen to pass to your eyes, making it a healthier option than the conventional contact lenses. If not much oxygen is passed to your eyes, you may experience swelling into your cornea. It may also lead to irritation in eyes and other dangerous eye infections or problems.
- There are reduced chances of your catching eye infection if you are wearing night and day contact lenses as there is minimum deposit build up of harmful bacteria.
- It offers clear and transparent vision as it allows six times more oxygen to pass to eyes.
- Night and day contact lenses offer same benefits as laser eye surgery like clear vision and no hassles for daily cleaning and maintenance at a cheaper cost and low risks.
Disadvantages of Night and Day Contact Lenses:
- If you are prone to eye infections, you may be at a greater risk of developing corneal ulcer, leading to pain or redness in the eyes and even blurred vision.
- Continuous wear of these Night and day contact lenses may lead to inflammation of cornea, conjunctivitis and irritation in the eyelids. You may also feel discomfort while wearing these Night and day contact lenses and burning sensation in the eyes.
- It is advisable to ensure that the contact lenses do not come in contact with water during swimming as it may heighten the risk of getting eye infection. Also, avoid fumes, smoke or vapors so that lenses are not contaminated.
- It is always advisable to go by your eye care professional's suggestions regarding your wearing schedule and the type of contact lenses. If he advises you to remove your lenses during nights, do so because he is a professional who knows your eyes best or if he has asked you to frequently replace the contact lenses, follow his advice. If you experience blurring in your vision or feel uncomfortable, it is advisable to consult your eye care professional.
- Make sure that you don't wear contact lenses for a period longer than what was prescribed for you as it may lead to serious eye infections or other problems.