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Related Experiment Videos

Soft contact lenses.

R L Sutherland, W N VanLeeuwen

    Canadian Medical Association Journal
    |July 8, 1972
    PubMed
    Summary
    This summary is machine-generated.

    New hydrophilic soft contact lenses offer comfort and pain relief for chronic corneal disease patients. However, they provide less sharp vision and carry a higher infection risk compared to hard lenses.

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    Area of Science:

    • Ophthalmology
    • Biomaterials Science

    Background:

    • Chronic corneal disease presents challenges for patients requiring visual correction.
    • Hard contact lenses are a traditional option but can cause discomfort.

    Purpose of the Study:

    • To evaluate the efficacy and patient acceptance of a novel hydrophilic soft contact lens.
    • To compare the performance of hydrophilic soft lenses with hard contact lenses in patients with chronic corneal disease.

    Main Methods:

    • A cohort of 55 patients with chronic corneal disease were fitted with new hydrophilic soft contact lenses.
    • Patient comfort, visual acuity, and adverse events were assessed.
    • Comparison was made against their experience with hard contact lenses.

    Main Results:

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    • Hydrophilic soft lenses were found to be more comfortable than hard contact lenses.
    • These lenses demonstrated protective and pain-relieving effects in chronic corneal disease.
    • Visual acuity was reduced compared to hard contact lenses.
    • An increased risk of infection was observed with hydrophilic soft lenses.
    • Despite a noticeable thick edge and replacement challenges, many patients preferred the soft lenses.

    Conclusions:

    • Hydrophilic soft contact lenses offer significant comfort and therapeutic benefits for chronic corneal disease.
    • Trade-offs in visual acuity and infection risk require careful consideration.
    • Patient preference highlights the importance of comfort in contact lens selection for this population.