RESUMEN
BACKGROUND: Focus Dailies with AquaRelease (CIBA Vision, Duluth, Georgia) is the daily disposable contact lens currently with the highest market share. Proclear 1-Day (CooperVision, Irvine, California) is a new introduction into the daily disposable market. This study compares the subjective preference of these 2 lenses in an independent, head-to-head comparison. METHODS: Forty-one subjects were fit successfully with both brands of daily disposable contact lenses. Subjects wore the lenses for 10 consecutive days. The subjects were surveyed after the 10 days of wear to determine which lens was preferred in terms of comfort, handling, and overall preference. RESULTS: Surveys were collected from 40 subjects. Twenty-four of 40 chose Proclear 1-Day as more comfortable at the end of the day (P = 0.0003). Nineteen of 40 chose Proclear 1-Day as their overall preference (P = 0.0364). CONCLUSION: This study found that Proclear 1-Day was subjectively preferred for end-of-the day comfort and overall preference when compared with the Focus Dailies with AquaRelease or no preference. The authors hope this will give insight to eye care practitioners when deciding which daily disposable contact lens to fit.
Asunto(s)
Lentes de Contacto Hidrofílicos , Equipos Desechables , Miopía/terapia , Satisfacción del Paciente , Adolescente , Adulto , Femenino , Estudios de Seguimiento , Humanos , Masculino , Miopía/fisiopatología , Refracción Ocular , Estudios Retrospectivos , Encuestas y Cuestionarios , Factores de Tiempo , Agudeza Visual , Agentes Mojantes/administración & dosificación , Adulto JovenRESUMEN
BACKGROUND: Microbial organisms are normally present on human eyelashes. Application of mascara to lashes has the potential to inoculate the mascara tube with microbes. This pilot study of a real-world situation investigated the microbial contamination of 2 brands of mascara used daily for 3 months. METHODS: Forty women between the ages of 18 and 39 were randomly assigned to use 1 of 2 brands of nonwaterproof mascara. All mascara tubes were unexpired and purchased on the same day. Subjects were instructed to use the mascara on both the upper and lower lids every day for 3 months. After 3 months, the mascara tubes were collected, cultured, and examined for microbial growth. RESULTS: Mascara tubes were collected from 33 of 40 (82.5%) subjects who began the study. Microbial growth was found in 36.4% of the subject tubes. Based on growth on selective media, most of the organisms were determined to be Staphylococcus epidermidis, Streptococcus species, or fungi. We did not attempt to quantify the numbers of bacteria or fungi present within the tubes. CONCLUSIONS: Because microbial presence was found in 36.4% of the mascara tubes cultured after 3 months of use, we recommend a maximum 3-month use of a mascara tube used on a daily basis. More frequent replacement may be warranted with further study.