Short-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation
Majid Moshirfar,1,2 Ryan T Wallace,3 David F Skanchy,4 Jordan D Desautels,5 Steven H Linn,1 Phillip C Hoopes Jr,1 Daniel S Durrie1,6 1Hoopes, Durrie, Rivera, Research Center, Hoopes Vision, Draper, UT, 2Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah Sc...
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Dove Medical Press
2016
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oai:doaj.org-article:72b8f62b7d1b4040be144a0a79984bb82021-12-02T08:34:06ZShort-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation1177-5483https://doaj.org/article/72b8f62b7d1b4040be144a0a79984bb82016-11-01T00:00:00Zhttps://www.dovepress.com/short-term-visual-result-after-simultaneous-photorefractive-keratectom-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Majid Moshirfar,1,2 Ryan T Wallace,3 David F Skanchy,4 Jordan D Desautels,5 Steven H Linn,1 Phillip C Hoopes Jr,1 Daniel S Durrie1,6 1Hoopes, Durrie, Rivera, Research Center, Hoopes Vision, Draper, UT, 2Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah School of Medicine, Salt Lake City, UT, 3Brigham Young University, Provo, UT, 4McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 5Tufts University School of Medicine, Boston, MA, 6Durrie Vision, Overland Park, KS, USA Purpose: To report the short-term results of simultaneous photorefractive keratectomy (PRK) and small-aperture cornea inlay implantation (KAMRA) surgery in treating presbyopia. Methods: Simultaneous PRK and KAMRA inlay surgery was performed on 21 patients from July 2015 to March 2016. Follow-up exams were conducted at 1, 3, and 6 months postoperatively. Our patients were also divided preoperatively into three categories: myopic, hyperopic, and emmetropic. Over the 6-month period, the main outcome measures were uncorrected near visual acuity (UNVA), changes in best-corrected distance visual acuity, and mean spherical equivalent refraction. Results: At 6-month follow-up, 83% (10/12) of patients had a monocular UNVA of 20/40 or better, and 75% had a binocular UNVA of 20/40 (J5) or better. At 6 months, the overall mean refractive spherical equivalent (MRSE) was -0.60 D (±0.42 standard deviation [SD], range: -1.38 to -0.13) with a mean change of -0.43 D (±1.19 SD, range: -1.5 to 2.63) compared to preoperative data. Overall, 91% (10/11) of patients were within a ±0.5 D range of our target -0.75 D for KAMRA use. One-hundred percent (5/5) of the hyperopes, 50% (1/2) of emmetropes, and 100% (4/4) of myopes met the targeted range. At 6 months, the MRSE for the hyperopic subgroup (n=5) was 0.33 D (±0.20 SD), the MRSE for the emmetropic subgroup (n=2) was -1.19 D (±0.19 SD), and the MRSE for the myopic subgroup (n=4) was -0.66 D (±0.36 SD). Conclusion: Based on preliminary results and a small sample size, it seems that simultaneous PRK and KAMRA is effective and predictable. There are multiple advantages in performing simultaneous PRK and KAMRA including a shorter recovery time and less steroid use than the two surgeries performed separately. Keywords: KAMRA, PRKamra, PRK, femptosecond, corneal, presbyopiaMoshirfar MWallace RTSkanchy DFDesautels JDLinn SHHoopes Jr PCDurrie DSDove Medical PressarticleKAMRAPRKamraPRKInlaySmall AperturePresbyopiaOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 10, Pp 2265-2270 (2016) |
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KAMRA PRKamra PRK Inlay Small Aperture Presbyopia Ophthalmology RE1-994 |
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KAMRA PRKamra PRK Inlay Small Aperture Presbyopia Ophthalmology RE1-994 Moshirfar M Wallace RT Skanchy DF Desautels JD Linn SH Hoopes Jr PC Durrie DS Short-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation |
| description |
Majid Moshirfar,1,2 Ryan T Wallace,3 David F Skanchy,4 Jordan D Desautels,5 Steven H Linn,1 Phillip C Hoopes Jr,1 Daniel S Durrie1,6 1Hoopes, Durrie, Rivera, Research Center, Hoopes Vision, Draper, UT, 2Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah School of Medicine, Salt Lake City, UT, 3Brigham Young University, Provo, UT, 4McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 5Tufts University School of Medicine, Boston, MA, 6Durrie Vision, Overland Park, KS, USA Purpose: To report the short-term results of simultaneous photorefractive keratectomy (PRK) and small-aperture cornea inlay implantation (KAMRA) surgery in treating presbyopia. Methods: Simultaneous PRK and KAMRA inlay surgery was performed on 21 patients from July 2015 to March 2016. Follow-up exams were conducted at 1, 3, and 6 months postoperatively. Our patients were also divided preoperatively into three categories: myopic, hyperopic, and emmetropic. Over the 6-month period, the main outcome measures were uncorrected near visual acuity (UNVA), changes in best-corrected distance visual acuity, and mean spherical equivalent refraction. Results: At 6-month follow-up, 83% (10/12) of patients had a monocular UNVA of 20/40 or better, and 75% had a binocular UNVA of 20/40 (J5) or better. At 6 months, the overall mean refractive spherical equivalent (MRSE) was -0.60 D (±0.42 standard deviation [SD], range: -1.38 to -0.13) with a mean change of -0.43 D (±1.19 SD, range: -1.5 to 2.63) compared to preoperative data. Overall, 91% (10/11) of patients were within a ±0.5 D range of our target -0.75 D for KAMRA use. One-hundred percent (5/5) of the hyperopes, 50% (1/2) of emmetropes, and 100% (4/4) of myopes met the targeted range. At 6 months, the MRSE for the hyperopic subgroup (n=5) was 0.33 D (±0.20 SD), the MRSE for the emmetropic subgroup (n=2) was -1.19 D (±0.19 SD), and the MRSE for the myopic subgroup (n=4) was -0.66 D (±0.36 SD). Conclusion: Based on preliminary results and a small sample size, it seems that simultaneous PRK and KAMRA is effective and predictable. There are multiple advantages in performing simultaneous PRK and KAMRA including a shorter recovery time and less steroid use than the two surgeries performed separately. Keywords: KAMRA, PRKamra, PRK, femptosecond, corneal, presbyopia |
| format |
article |
| author |
Moshirfar M Wallace RT Skanchy DF Desautels JD Linn SH Hoopes Jr PC Durrie DS |
| author_facet |
Moshirfar M Wallace RT Skanchy DF Desautels JD Linn SH Hoopes Jr PC Durrie DS |
| author_sort |
Moshirfar M |
| title |
Short-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation |
| title_short |
Short-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation |
| title_full |
Short-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation |
| title_fullStr |
Short-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation |
| title_full_unstemmed |
Short-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation |
| title_sort |
short-term visual result after simultaneous photorefractive keratectomy and small-aperture cornea inlay implantation |
| publisher |
Dove Medical Press |
| publishDate |
2016 |
| url |
https://doaj.org/article/72b8f62b7d1b4040be144a0a79984bb8 |
| work_keys_str_mv |
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