نتایج جستجو برای: limbal relaxing incision

تعداد نتایج: 26287  

2015
Gaspare Monaco Antonio Scialdone

PURPOSE To compare the final changes in corneal wavefront aberration by limbal relaxing incisions (LRIs) after cataract surgery. METHODS This prospective cumulative interventional nonrandomized case study included cataract and astigmatic patients undergoing LRIs and phaco with intraocular lens implantation. LRIs were planned using Donnenfeld nomogram. The root mean square of corneal wave aber...

2014
Harish Singh Xiao Shou Hua Pankaj Kumar

Aim: The aim of this study is to introduced the efficacy, longevity and safety of this new ‘T’shaped limbal based sclera flap with fornix based conjunctival flap trabeculectomy leading to better result like controlling intra ocular pressure satisfactory ,and no shallow anterior chamber after the surgery. Method: As it is a clinical research which was done on 26 patients and all the patient went...

Journal: :Clinical & experimental optometry 2007
Edison Ferreira e Silva Fernando Cançado Trindade

PURPOSE To evaluate the effect of peripheral limbar relaxing incisions (PLRI) in the reduction of the astigmatism during cataract surgery. METHODS We studied prospectively 103 eyes of 103 patients submitted to PLRI, using the Nichamim nomogram during cataract surgery by phacoemulsification. After the first and sixth month we analized the changes in astigmatism topography, induction of astigma...

Journal: :American journal of ophthalmology 2005
David M Meisler Victor L Perez James Proudfit

PURPOSE To develop a device that facilitates the procurement of corneal limbal stem cell grafts for keratolimbal allograft procedures used in the treatment of ocular surface disease associated with stem cell deficiency. DESIGN Description of device design and technique for use. METHODS The device is composed of a pedestal with a convex surface mounted to a flat platform. A corneoscleral but...

2011
H. Amirjamshidi B.Y. Milani H.M. Sagha A. Movahedan M.A. Shafiq R.M. Lavker B.Y.T. Yue A.R. Djalilian

PURPOSE Limbal fibroblasts are known to regulate the maintenance and differentiation of the corneal epithelium including the limbal epithelial stem cells. This study examined the effect of limbal fibroblast conditioned media in a mouse model of limbal stem cell deficiency. METHODS Limbal stem cell deficiency was created in C57/Bl6 mice by performing a limbus to limbus epithelial debridement. ...

2010
Mohammad Ali Zare Mehdi Hosseini Tehrani Mehrdad Mohammadpour Nasim Siatiri

Purpose: To evaluate the safety and efficacy of limbal relaxing incisions (LRIs) for corneal astigmatism correction during phacoemulsification Methods: 24 eyes of 24 patients with the mean age of 65.71 years (range: 55 to 83 years) with senile cataracts and mean corneal astigmatism of 1.9±0.83 diopters (D) (range: 1.5 to 3.5 D) were included in this study. All LRIs were performed during phacoem...

Journal: :Biophysical journal 2011
Craig Boote Christina S Kamma-Lorger Sally Hayes Jonathan Harris Manfred Burghammer Jennifer Hiller Nicholas J Terrill Keith M Meek

The collagen microstructure of the peripheral cornea is important in stabilizing corneal curvature and refractive status. However, the manner in which the predominantly orthogonal collagen fibrils of the central cornea integrate with the circumferential limbal collagen is unknown. We used microfocus wide-angle x-ray scattering to quantify the relative proportion and orientation of collagen fibr...

Journal: :The Japanese Journal of Gastroenterological Surgery 2023

症例は82歳の女性で,7年前にIV型の巨大食道裂孔ヘルニアに対して腹腔鏡下食道裂孔ヘルニア修復術を施行した.食道裂孔が極めて大きく,裂孔縫縮の際には,裂孔左側に横隔膜減張切開を要した.減張切開部は縫合閉鎖した後,裂孔修復部とともにメッシュで被覆した.術後数年後より呼吸困難感が出現し,6年目には近医で在宅酸素療法が導入されたCT所見上,食道裂孔の左側に横隔膜欠損部があり,腸管が左胸腔内へと脱出し左肺を圧排していた.減張切開部が裂けたことによる医原性横隔膜ヘルニアと診断し,腹腔鏡下横隔膜ヘルニア修復術を施行した.ヘルニア門は10 cmあり,脱出臓器とヘルニア門は強固に癒着していた.脱出臓器を腹腔内に還納した後,ヘルニア門を縫合閉鎖し,メッシュで被覆した.術後1年3か月が経過したが再発は認めていない.今回,我々は横隔膜減張切開が原因となった横隔膜ヘルニアの1例を経験したため報告する.

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