Cumulative clinical results and projected incident rates of microbial keratitis with PureVision™ silicone hydrogel lenses

Edmunds, Frederick R.; Comstock, Timothy L.; Reindel, William

doi:10.1016/s0892-8967(02)00082-2

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…On the other hand, the same bacteria were detected from the lens, eyelids and conjunctiva during periodical examination of patients who were continuously wearing silicone hydrogel lenses, suggesting that lens contamination during continuous wear was derived from the eyelids or conjunctiva [17]. Some recent studies have shown that the incidence of infectious keratitis associated with continuous wearing of silicone hydrogel lenses is lower than or similar to that associated with use of daily SCLs or rigid gas permeable contact lenses [18,19]. There is a report that, even with silicone hydrogel lenses, continuous wear of CLs is a risk factor for bacterial infection [20].…”

Section: Discussionmentioning

confidence: 93%

Continuous Wear of Hydrogel Contact Lenses for Therapeutic Use

Kudo¹,

Toshida

Ohta³

et al. 2012

OJOph

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Purpose: To investigate the efficacy and complications of continuous wear of etafilcon A for therapeutic use. Materials and Methods: The subjects were 228 eyes of 219 outpatients prescribed Contact Lens (CL) for one week of continuous therapeutic wear during 10 years. The reason for prescription of CLs, the primary disease, the duration of CL wear and the complications were assessed retrospectively. Results: The predominant reason for prescription of CLs was relief of pain or a foreign-body sensation (62.3%) and protection of the corneal epithelium (20.6%). The primary disease was post-penetrating keratoplasty (36.8%), followed by corneal epithelial erosion (14.5%), post-lamellar keratoplasty (14.0%) and bullous keratopathy (12.2%). The average duration of wearing single lens was 6.5 ± 3.2 days. The average duration of wearing CLs in total was 9.2 ± 10.7 months. The most frequent problem associated with continuous wear of CLs was their dropping out of CLs (12.3%). The complications associated with CLs included conjunctivitis with papillary hyperplasia, corneal erosion and superficial punctate keratitis, but corneal ulcer and corneal infiltrates were not found. Conclusion: Serious complications were not shown changing the lenses every week to keep to the prescribed time limit for continuous therapeutic wear, even if corneal epithelial barrier function is impaired.

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Section: Discussionmentioning

confidence: 93%