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Symptoms and Signs in Rigid Gas Permeable Lens Wearers During Adaptation Period



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Carracedo Rodríguez, Juan Gonzalo y Martín Gil, Alba y Peixoto de Matos, Sofía C. y Abejón Gil, Pilar y Macedo de Araújo, Rute Juliana y González Méijome, José Manuel (2016) Symptoms and Signs in Rigid Gas Permeable Lens Wearers During Adaptation Period. Eye & Contact Lens: Science & Clinical Practice, 42 (2). pp. 108-114. ISSN 1542-2321

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URL Oficial: https://doi.org/10.1097/ICL.0000000000000153


Objectives: To evaluate neophyte contact lens wearers' fitting to rigid gas permeable (RGP) contact lenses in terms of wearing time, tear volume, stability, corneal staining, and subjective ratings, over a 1-month period of time.
Methods: Twenty-two young healthy subjects were enrolled for wearing RGP on a daily wear basis. The participants included in this study never wore contact lenses and showed a value under 10 in McMonnies Questionnaire. Contact Lens Dry Eye Questionnaire, Visual Analog Scales, Schirmer test, tear film break-up time (BUT), and corneal staining grading were performed. Follow-up visits were scheduled at 1, 7, 15, and 28 days.
Results: Six subjects dropped out due to discomfort from the study before 1 month (27% of discontinuation rate). Successful RGP wearers (16 participants) achieved high levels of subjective vision and reported comfort scores of approximately 9 of 10 between 10 and 15 days. They reported wearing their lenses for an average of 10.12±2.43 hr after 1 month of wear. Conversely, unsuccessful wearers discontinued wearing the lenses after the first 10 to 15 days, showing comfort scores and wearing time significantly lower compared with the first day of wear. Schirmer test showed a significant increase at 10 days (P<0.001), and the BUT trends decreased after the first week of wear in unsuccessful group.
Conclusions: Symptomatology related with dryness and discomfort, detected during the first 10 days of the adaptation, may help the clinician to predict those participants who will potentially fail to adapt to RGP lens wear.

Tipo de documento:Artículo
Información Adicional:

Accepted February 23, 2015

Palabras clave:Adaptation period, Rigid gas permeable, Symptoms
Materias:Ciencias Biomédicas > Medicina > Oftalmología
Ciencias Biomédicas > Óptica y optometría > Lentes de contacto
Código ID:44473
Depositado:14 Sep 2017 12:28
Última Modificación:14 Sep 2017 12:28

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