Hard contact lenses will not damage vision if worn according to instructions, but long-term wearing of hard contact lenses can result in severe eye damage. Although most effects of long-term wearing of contact lenses can be temporary, many times they can result in permanent visual deficits.
Decreased Corneal Sensitivity
The effects of long-term wearing of hard contact lenses include decreased levels of corneal sensitivity. Diminished corneal sensitivity can promote ocular infection and loss of vision.
Corneal Ulcers
Long-term wearing of hard contact lenses can result in the development of corneal ulcers. Corneal ulcers can permanently impair vision if not recognized and treated promptly.
Distortion of Cornea
Distortion of the cornea is another effect of long-term wearing of hard contact lenses. This condition can change the shape of the cornea and result in diminished vision.
Decreased Corneal Oxygenation
Long-term wearing of hard contact lenses can decrease corneal oxygenation. When the cornea loses the ability to receive oxygen, vision can be permanently and profoundly damaged.
Considerations and Alternatives
While the effects of long-term wearing of hard contact lenses can be damaging to vision, when these effects are recognized early and promptly addressed, they can be treated and vision can be preserved. You should never sleep in hard contacts. A safe and effective alternative may be wearing soft contact lenses. A competent eye doctor can make the recommendation that is appropriate for the patient.
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