Does Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?

Does Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?

Aastha Gandhi,1 Anuj Mehta,1 Mayuresh Naik2 1Department of Ophthalmology, V.M.M.C & Safdarjung Hospital, Ansari Nagar, New Delhi 110029, India; 2Department of Ophthalmology, H.I.M.S.R & H.A.H. Centenary Hospital, Alaknanda, New Delhi 110062, IndiaCorrespondence: Mayuresh NaikDepartme...

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Autores principales: Gandhi A, Mehta A, Naik M
Formato: article
Lenguaje:EN
Publicado: Dove Medical Press 2020
Materias:
topography
ptosis surgery
iol master
Ophthalmology
RE1-994
Acceso en línea:https://doaj.org/article/963f02c05a1549b6af96b28c2c2e3a8d
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spelling oai:doaj.org-article:963f02c05a1549b6af96b28c2c2e3a8d2021-12-02T12:56:10ZDoes Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?1177-5483https://doaj.org/article/963f02c05a1549b6af96b28c2c2e3a8d2020-10-01T00:00:00Zhttps://www.dovepress.com/does-frontalis-sling-surgery-for-congenital-ptosis-change-the-corneal--peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Aastha Gandhi,1 Anuj Mehta,1 Mayuresh Naik2 1Department of Ophthalmology, V.M.M.C & Safdarjung Hospital, Ansari Nagar, New Delhi 110029, India; 2Department of Ophthalmology, H.I.M.S.R & H.A.H. Centenary Hospital, Alaknanda, New Delhi 110062, IndiaCorrespondence: Mayuresh NaikDepartment of Ophthalmology, H.I.M.S.R & H.A.H. Centenary Hospital, Room No. 3 of Eye OPD, 1st Floor of OPD Building, Near GK-2, Alaknanda, New Delhi 110062, IndiaTel +91-8287344576Email mayureshpnaik@gmail.comPurpose: To evaluate the effect of frontalis sling surgery for congenital ptosis on corneal curvature and refractive status.Methods: Prospective study of 60 eyes of 48 patients with severe simple congenital ptosis who underwent surgical correction by frontalis sling surgery. Assessment was done pre-operatively and at 1 week, 1 month, 3 months post-operatively by computerized topographer (Shipp Nippon, CT 1000), IOL master (Carl Zeiss, 500), autorefractometer (Unicos URK-800) and AS-OCT (Cirrus HD-OCT). The results were statistically evaluated to analyze any change in visual acuity, refractive status, keratometry, astigmatism and central corneal thickness (CCT).Results: Three months post-operatively, significant reduction of cylindrical power by − 0.358 D was observed by refraction with corresponding improvement of mean BCVA by 0.24± 0.04 logMAR. Corneal topography showed reduction in astigmatism by − 0.47± 0.95 D; however, the average keratometry did not undergo a significant change. The mean values of astigmatism by IOL master and topographer were comparable. There was significant steepening of the previously flatter meridian (horizontal meridian, in 63.3% patients) while the steeper meridian remained relatively unchanged. A greater reduction in astigmatism was noticed in children in the age group of 5– 10 years.Conclusion: Ptosis surgery modifies the corneal curvature, restoring corneal symmetry and reducing astigmatism; thus changing the refractive status of the patient, which needs to be addressed post-operatively to improve the quality of vision. Children with severe ptosis may benefit from being operated at an early age to achieve better astigmatic reduction.Keywords: topography, ptosis surgery, IOL masterGandhi AMehta ANaik MDove Medical Pressarticletopographyptosis surgeryiol masterOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 14, Pp 3667-3673 (2020)
institution DOAJ
collection DOAJ
language EN
topic topography
ptosis surgery
iol master
Ophthalmology
RE1-994
spellingShingle topography
ptosis surgery
iol master
Ophthalmology
RE1-994
Gandhi A
Mehta A
Naik M
Does Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?
description Aastha Gandhi,1 Anuj Mehta,1 Mayuresh Naik2 1Department of Ophthalmology, V.M.M.C & Safdarjung Hospital, Ansari Nagar, New Delhi 110029, India; 2Department of Ophthalmology, H.I.M.S.R & H.A.H. Centenary Hospital, Alaknanda, New Delhi 110062, IndiaCorrespondence: Mayuresh NaikDepartment of Ophthalmology, H.I.M.S.R & H.A.H. Centenary Hospital, Room No. 3 of Eye OPD, 1st Floor of OPD Building, Near GK-2, Alaknanda, New Delhi 110062, IndiaTel +91-8287344576Email mayureshpnaik@gmail.comPurpose: To evaluate the effect of frontalis sling surgery for congenital ptosis on corneal curvature and refractive status.Methods: Prospective study of 60 eyes of 48 patients with severe simple congenital ptosis who underwent surgical correction by frontalis sling surgery. Assessment was done pre-operatively and at 1 week, 1 month, 3 months post-operatively by computerized topographer (Shipp Nippon, CT 1000), IOL master (Carl Zeiss, 500), autorefractometer (Unicos URK-800) and AS-OCT (Cirrus HD-OCT). The results were statistically evaluated to analyze any change in visual acuity, refractive status, keratometry, astigmatism and central corneal thickness (CCT).Results: Three months post-operatively, significant reduction of cylindrical power by − 0.358 D was observed by refraction with corresponding improvement of mean BCVA by 0.24± 0.04 logMAR. Corneal topography showed reduction in astigmatism by − 0.47± 0.95 D; however, the average keratometry did not undergo a significant change. The mean values of astigmatism by IOL master and topographer were comparable. There was significant steepening of the previously flatter meridian (horizontal meridian, in 63.3% patients) while the steeper meridian remained relatively unchanged. A greater reduction in astigmatism was noticed in children in the age group of 5– 10 years.Conclusion: Ptosis surgery modifies the corneal curvature, restoring corneal symmetry and reducing astigmatism; thus changing the refractive status of the patient, which needs to be addressed post-operatively to improve the quality of vision. Children with severe ptosis may benefit from being operated at an early age to achieve better astigmatic reduction.Keywords: topography, ptosis surgery, IOL master
format article
author Gandhi A
Mehta A
Naik M
author_facet Gandhi A
Mehta A
Naik M
author_sort Gandhi A
title Does Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?
title_short Does Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?
title_full Does Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?
title_fullStr Does Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?
title_full_unstemmed Does Frontalis Sling Surgery for Congenital Ptosis Change the Corneal Topography and Refractive Characteristics Postoperatively?
title_sort does frontalis sling surgery for congenital ptosis change the corneal topography and refractive characteristics postoperatively?
publisher Dove Medical Press
publishDate 2020
url https://doaj.org/article/963f02c05a1549b6af96b28c2c2e3a8d
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AT naikm doesfrontalisslingsurgeryforcongenitalptosischangethecornealtopographyandrefractivecharacteristicspostoperatively
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