NDLI: Corneal Biomechanical Changes Following Toric Soft Contact Lens Wear

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Corneal Biomechanical Changes Following Toric Soft Contact Lens Wear

Content Provider	Semantic Scholar
Author	Radaie-Moghadam, Somayeh Hashemi, Hassan Jafarzadehpur, Ebrahim Yekta, Abbas Ali Khabazkhoob, Mehdi
Copyright Year	2016
Abstract	PURPOSE To determine the effect of using toric soft contact lenses on corneal biomechanical properties. METHODS We enrolled 33 healthy patients with mean age of 23.18 ± 4.06 and minimal cylinder power of 1 D (-1.98 ± 0.808 SD) and negative history of contact lens use; keratoconic patients were excluded from the study. Toric soft contact lenses (BIOFINITY, Comfilcon A, Coopervision, Southampton, UK) were fitted in all participants. The Ocular Response Analyzer (Reichert Ophthalmic Instruments, Depew, New York, USA) was used to measure corneal hysteresis (CH), corneal resistance factor (CRF), and the Pentacam HR (Oculus, Inc., Lynnwood, WA, USA) was used to measure central corneal thickness (CCT) and mean keratometry (K mean) before and one week, one month, and three months after using the toric soft contact lenses. RESULTS CH and CRF were decreased significantly one month after using the contact lens; mean CH decreased from 9.99 ± 1.44 to 9.59 ± 1.54 mmHg, and mean CRF decreased from 9.96 ± 1.71 to 9.63 ± 1.73 mmHg (P = 0.013 and P = 0.017, respectively). Mean CCT and K mean did not show a significant change during the period of toric soft contact lens use. CONCLUSION CH and CRF decreased significantly one month after fitting toric soft contact lenses while CCT and Kmean did not change significantly. Corneal biomechanical parameters may alter with toric soft contact lens use and such changes may have implications with long-term use such lenses.
Starting Page	131
Ending Page	135
Page Count	5
File Format	PDF HTM / HTML
PubMed reference number	27413490v1
Alternate Webpage(s)	https://doi.org/10.4103/2008-322X.183921
DOI	10.4103/2008-322x.183921
Journal	Journal of ophthalmic & vision research
Volume Number	11
Language	English
Access Restriction	Open
Subject Keyword	Central corneal thickness Contact Lenses Contact Lenses, Hydrophilic Corneal Diseases Exclusion Lens Diseases Patients Physiological Sexual Disorders R Factors Seizures torr
Content Type	Text
Resource Type	Article

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