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Not All Dry Eye in Contact Lens Wear Is Contact Lens–Induced
Objectives: To compare subjective and clinical outcomes in three study groups: (1) asymptomatic contact lens (CL) wearers (ASYM); (2) symptomatic CL wearers who become asymptomatic on lens removal; and (3) symptomatic CL wearers who do not resolve on lens removal. Methods: Ninety-two subjects completed the Berkeley Dry Eye Flow Chart with and without lenses, ocular surface examinations, and a battery of questionnaires. Results: Thirty-seven subjects (40%) were ASYM, 30 (33%) had contact lens–induced dry eye (CLIDE), and 25 (27%) had underlying physiological DE. Visual Analog Scale ratings, OSDI score, and SPEED s...
Source: Eye and Contact Lens: Science and Clinical Practice - June 25, 2020 Category: Opthalmology Tags: Article Source Type: research

Characteristics, Behaviors, and Awareness of Contact Lens Wearers Purchasing Lenses Over the Internet
Objectives: To describe the characteristics and hygiene habits of contact lens (CL) wearers who acquire CLs over the Internet, as well as their awareness of modifiable risk factors (RFs). Methods: A web-based survey was conducted among clients of an online CL sales platform during 6 months. Demographic data, CL hygiene-related awareness, and compliance were collected and analyzed. Results: The questionnaire was completed by 1,264 CL wearers: the average age was 40.8 years; most were women (71.1%), had myopia (76.4%), and wore monthly disposable CLs (63.6%). The frequency of eye examination was significantly lower a...
Source: Eye and Contact Lens: Science and Clinical Practice - June 25, 2020 Category: Opthalmology Tags: Article Source Type: research

The Antimicrobial Activity of Multipurpose Disinfecting Solutions in the Presence of Different Organic Soils
Conclusions: Povidone-iodine or hydrogen peroxide disinfecting solutions are not affected by organic soils and are very active against clinical bacterial isolates. Disinfecting solutions containing combinations of polyhexamethylene biguanide, polyquaternium-1, alexidine, and myristamindopropyl dimethylamine are affected by model tear organic soil and may have poor activity against clinical isolates. (Source: Eye and Contact Lens: Science and Clinical Practice)
Source: Eye and Contact Lens: Science and Clinical Practice - June 25, 2020 Category: Opthalmology Tags: Article Source Type: research

Passive Verification: A Flawed System Putting Patients' Sight at Risk
Conclusions: There is a high rate of invalid prescriptions presented for passive verification. Although the majority of prescriptions are simply expired, there is a fraction of prescriptions that contain incorrect specification of lens parameters or no record of prescription by that doctor. The current mechanism of passive verification, with the burden on the provider for denial within a short time window, makes it likely that such prescriptions would be filled, potentially putting patient comfort and safety at risk. (Source: Eye and Contact Lens: Science and Clinical Practice)
Source: Eye and Contact Lens: Science and Clinical Practice - June 25, 2020 Category: Opthalmology Tags: Article Source Type: research

Regulation of Contact Lens Sales in the United States: The Pendulum Swings Between Patient Protection and Consumer Choice
No abstract available (Source: Eye and Contact Lens: Science and Clinical Practice)
Source: Eye and Contact Lens: Science and Clinical Practice - June 25, 2020 Category: Opthalmology Tags: Editorial Source Type: research