A publication has highlighted the health dangers for those
contact lens wearers that forget or delay changing their lenses.
The University Daily Kansan, a student newspaper, noted that failing to change
contact lenses can damage the eyes but the effects of leaving them in too long may not be immediately apparent.
Contact lenses dry out if they have not been changed or cleaned every day and can cause pain in the eye.
Moreover, because the eye tissue needs exposure to fresh air in order to stay healthy, it can begin to deteriorate.
Optometrist Brent Crandon told the newspaper that while contacts allow oxygen in, as they get older and staler they lose their ability to do so.
He added that a corneal ulcer "will feel like a huge speck of dirt under the contact and will make the eye red and irritated" - adding that people who leave corneal ulcers untreated can lose their eyesight within three to four days.
Using
daily disposable lenses could be a good way for people to keep their eyes healthy.
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