| Título: | Randomized crossover trial of silicone hydrogel contact lenses |
| Autores: | García Montero, María ; Rico del Viejo, Laura ; Llorens Quintana, Clara ; Lorente Velázquez, Amalia ; HernandezVerdejo, José Luis ; Madrid Costa, David |
| Tipo de documento: | texto impreso |
| Editorial: | Elsevier, 2018-12-23 |
| Dimensiones: | application/pdf |
| Nota general: |
cc_by_nc_nd info:eu-repo/semantics/openAccess |
| Idiomas: | |
| Palabras clave: | Estado = En prensa , Materia = Ciencias Biomédicas: Óptica y optometría: Lentes de contacto , Materia = Ciencias Biomédicas: Óptica y optometría: Óptica oftálmica , Materia = Ciencias Biomédicas: Óptica y optometría: Materiales ópticos , Tipo = Artículo |
| Resumen: |
Purpose: The aim of the current study is to assess, using new technologies, the interaction of four monthly silicone hydrogel contact lenses on the ocular surface and the comfort over 15 days of use. Methods: Prospective cross-over, randomized and double-masked study including four materials (lotrafilcon-B, samfilcon-A , comfilcon-A and filcom-V3). Clinical examination was performed in the following order: tear meniscus height, first break-up of the tear film, the average time of all tear film breakup incidents, bulbar redness, limbal redness (Keratograph 5M ,Oculus, Germany); central corneal thickness (Pentacam, Oculus, Germany), thermography values (FLIR A325; FLIR Systems Inc., USA), and slit-lamp evaluations, including ocular surface staining. Finally, subjective comfort was obtained from Contact Lens Dry Eye Questionnaire-8. Results: The impact of contact lens wear on the ocular surface didn’t show statistically significant changes over time except for corneal and conjunctival staining grades on day 15 compared to day 1 for the comfilcon A group (P?=?.003 and P?=?.01, respectively). Contact lens stability and impact on the ocular surface during contact lens wear didn’t show statistically significant changes over time except in the case of the comfilcon A material with respect to the irritation item (P?=?.01). Conclusions: These results suggest that the impact of monthly silicone hydrogel contact lens materials on the ocular surface after and during contact lens wear, contact lens stability over time, and subjective comfort did not reveal any significant changes over 15 days of use for any of the materials. |
| En línea: | https://eprints.ucm.es/id/eprint/51276/1/RicoViejo__1-s2.0-S1367048418309433-main.pdf |
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