The short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal
Amir M Moezzi,1 Jalaiah Varikooty,1 Doerte Luensmann,1 Marc-Matthias Schulze,1 Alison Ng,1 Thomas Karkkainen,2 Jing Xu,2 Lyndon Jones11Centre for Ocular Research & Education (CORE, formerly Centre for Contact Lens Research), School of Optometry and Vision Science, University of Waterloo, Wat...
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Dove Medical Press
2019
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oai:doaj.org-article:3764fcff619941509454b5bc5373f4a02021-12-02T06:59:39ZThe short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal1177-5483https://doaj.org/article/3764fcff619941509454b5bc5373f4a02019-07-01T00:00:00Zhttps://www.dovepress.com/the-short-term-physiological-impact-of-switching-reusable-silicone-hyd-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Amir M Moezzi,1 Jalaiah Varikooty,1 Doerte Luensmann,1 Marc-Matthias Schulze,1 Alison Ng,1 Thomas Karkkainen,2 Jing Xu,2 Lyndon Jones11Centre for Ocular Research & Education (CORE, formerly Centre for Contact Lens Research), School of Optometry and Vision Science, University of Waterloo, Waterloo, Ontario, Canada; 2Research and Development, Johnson & Johnson Vision, Jacksonville, FL, USAPurpose: To evaluate ocular physiological responses to etafilcon A multifocal (etMF) daily disposable (DD) lenses after 4 weeks of wear, when switching from habitual silicone hydrogel (SiHy) daily wear.Method: A single-arm, open-label, bilateral dispensing study was conducted in 39 habitual spherical SiHy wearers (14 hyperopes; 25 myopes). Clinical visits occurred with habitual SiHy (control) at baseline and after 4 weeks of etMF DD open-eye lens wear at exit. Objective limbal/bulbar hyperemia using the Oculus K5M (0–4) and subjective grading of lid wiper epitheliopathy (LWE) (0–4) were tested for non-inferiority (NI), using a margin of 1 grade. Corneal thickness along a 10 mm cord was measured using the Visante OCT and tested for NI using a 30 μm margin. Corneal staining area was graded (0–100%).Results: The least-square mean differences (LSMD) and 95% confidence interval (95% CI) between etMF DD and habitual SiHy in central and peripheral corneal thickness (μm) were 3.64 (−2.0, 9.29) and 3.0 (−7.72, 13.72) in hyperopic, and 3.56 (−0.66, 7.78) and 6.40 (−1.62, 14.42) in myopic subjects. The LSMD (95% CI) for bulbar and limbal hyperemia were −0.08 (−0.19, 0.02) and −0.01 (−0.12, 0.09) in hyperopes, and 0.04 (−0.03, 0.12) and 0.04 (−0.04, 0.11) in myopes. The LSMD (95% CI) for LWE were 0.11 (−0.39, 0.60) and 0.30 (−0.07, 0.67) for hyperopes and myopes, respectively.Conclusions: No clinically significant differences in a variety of physiological responses were found when habitual reusable SiHy daily wear subjects were refitted into hydrogel etMF, when the subjects were followed for 4 weeks.Keywords: corneal swelling, corneal thickness, limbal hyperemia, oxygen transmissibility, presbyopia, OCTMoezzi AMVarikooty JLuensmann DSchulze MMNg AKarkkainen TXu JJones LDove Medical PressarticleCorneal swellinglimbal hyperemiaoxygen transmissibilitydaily disposablehydrogel lenssilicone hydrogel lensmultifocal lensOCT.OphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 13, Pp 1193-1202 (2019) |
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DOAJ |
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EN |
| topic |
Corneal swelling limbal hyperemia oxygen transmissibility daily disposable hydrogel lens silicone hydrogel lens multifocal lens OCT. Ophthalmology RE1-994 |
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Corneal swelling limbal hyperemia oxygen transmissibility daily disposable hydrogel lens silicone hydrogel lens multifocal lens OCT. Ophthalmology RE1-994 Moezzi AM Varikooty J Luensmann D Schulze MM Ng A Karkkainen T Xu J Jones L The short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal |
| description |
Amir M Moezzi,1 Jalaiah Varikooty,1 Doerte Luensmann,1 Marc-Matthias Schulze,1 Alison Ng,1 Thomas Karkkainen,2 Jing Xu,2 Lyndon Jones11Centre for Ocular Research & Education (CORE, formerly Centre for Contact Lens Research), School of Optometry and Vision Science, University of Waterloo, Waterloo, Ontario, Canada; 2Research and Development, Johnson & Johnson Vision, Jacksonville, FL, USAPurpose: To evaluate ocular physiological responses to etafilcon A multifocal (etMF) daily disposable (DD) lenses after 4 weeks of wear, when switching from habitual silicone hydrogel (SiHy) daily wear.Method: A single-arm, open-label, bilateral dispensing study was conducted in 39 habitual spherical SiHy wearers (14 hyperopes; 25 myopes). Clinical visits occurred with habitual SiHy (control) at baseline and after 4 weeks of etMF DD open-eye lens wear at exit. Objective limbal/bulbar hyperemia using the Oculus K5M (0–4) and subjective grading of lid wiper epitheliopathy (LWE) (0–4) were tested for non-inferiority (NI), using a margin of 1 grade. Corneal thickness along a 10 mm cord was measured using the Visante OCT and tested for NI using a 30 μm margin. Corneal staining area was graded (0–100%).Results: The least-square mean differences (LSMD) and 95% confidence interval (95% CI) between etMF DD and habitual SiHy in central and peripheral corneal thickness (μm) were 3.64 (−2.0, 9.29) and 3.0 (−7.72, 13.72) in hyperopic, and 3.56 (−0.66, 7.78) and 6.40 (−1.62, 14.42) in myopic subjects. The LSMD (95% CI) for bulbar and limbal hyperemia were −0.08 (−0.19, 0.02) and −0.01 (−0.12, 0.09) in hyperopes, and 0.04 (−0.03, 0.12) and 0.04 (−0.04, 0.11) in myopes. The LSMD (95% CI) for LWE were 0.11 (−0.39, 0.60) and 0.30 (−0.07, 0.67) for hyperopes and myopes, respectively.Conclusions: No clinically significant differences in a variety of physiological responses were found when habitual reusable SiHy daily wear subjects were refitted into hydrogel etMF, when the subjects were followed for 4 weeks.Keywords: corneal swelling, corneal thickness, limbal hyperemia, oxygen transmissibility, presbyopia, OCT |
| format |
article |
| author |
Moezzi AM Varikooty J Luensmann D Schulze MM Ng A Karkkainen T Xu J Jones L |
| author_facet |
Moezzi AM Varikooty J Luensmann D Schulze MM Ng A Karkkainen T Xu J Jones L |
| author_sort |
Moezzi AM |
| title |
The short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal |
| title_short |
The short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal |
| title_full |
The short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal |
| title_fullStr |
The short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal |
| title_full_unstemmed |
The short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal |
| title_sort |
short-term physiological impact of switching reusable silicone hydrogel wearers into a hydrogel daily disposable multifocal |
| publisher |
Dove Medical Press |
| publishDate |
2019 |
| url |
https://doaj.org/article/3764fcff619941509454b5bc5373f4a0 |
| work_keys_str_mv |
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