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CLAO J. 2000 Oct;26(4):204-13.

A comparison of contact lens-related complications in various daily wear modalities.

Author information

1
University of Connecticut Health Center, Dept. of Ophthalmology, Farmington 06032, USA.

Abstract

PURPOSE:

To determine the incidence of contact lens-related complications in various daily wear contact lens modalities.

METHODS:

The charts of 138 daily wear contact lens patients (35 daily disposable, 34 two week replacement, 34 frequent replacement, and 35 conventional daily wear lens users) were reviewed for subjective and objective contact lens problems. We also looked at two subgroups: first time lens wearers and patients with previous lens-related problems. The rate of lens related complications were calculated as events per person per year (E/P/Y) of lens wear for each year and for the total 3-year study. The percentage of patients in each group who experienced any complication was calculated. We also compared the complication rate for the groups in our current study to the rates calculated for disposable extended wear and conventional extended wear patients from our previous study.

RESULTS:

We found that the E/P/Y were significantly lower for daily disposable lens wearers, but no significant differences were noted for all other lens wear modalities. There was a trend in most groups toward decreased numbers of complications in the second and third years of lens wear. Of the 23 individual signs and symptoms that were analyzed, three occurred most frequently among daily disposable lens wearers, two were most common in the 2-week replacement group, four occurred most often in frequent replacement patients, and eight were most frequent in conventional daily lens wearers. (In three categories, there were two groups with ties for the highest rate of occurrence, and two categories with zero rates for all groups.) Most of the observed differences in complication rates for individual signs and symptoms did not reach the level of statistical significance.

CONCLUSIONS:

Daily disposable lens wearers had the lowest overall complication rate.

PMID:
11071345
[Indexed for MEDLINE]

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