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Corneal surgery

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https://www.readbyqxmd.com/read/27913863/-multifocal-intraocular-lens-miol-surgery-in-young-non-presbyopic-ametropes-reasonable-and-safe
#1
A Frings, J Steinberg, S J Linke, V Druchkiv, T Katz
BACKGROUND: Refractive lens exchange and implantation of a multifocal intraocular lens (MIOL) is mainly advised for ametropes with presbyopia. Non-presbyopic young ametropes who wish spectacle-independence are usually treated with corneal refractive surgery or phakic lenses. OBJECTIVES: This retrospective case series aimed to analyse the refractive and subjective satisfaction outcome after MIOL surgery in both eyes of non-presbyopic ametropes where other treatment options were not possible...
December 2, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27911423/-core-principles-of-treatment-of-corneal-damage-in-patients-with-thyroid-eye-disease
#2
Ya O Grusha, D S Ismailova, L V Sherstneva
AIM: To develop a therapeutic approach and to estimate the efficiency of complex treatment of corneal damage in patients with thyroid eye disease (TED). MATERIAL AND METHODS: The study enrolled 44 patients (52 eyes) divided into 2 groups depending on the severity of corneal damage. Treatment of those with severe involvement included pathogenetic measures (pulse steroid therapy and/or radiation therapy) and surgery (orbital decompression, eyelid and corneal surgery)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911101/in-vivo-and-ex-vivo-evaluation-of-inflammation-and-apoptosis-induced-after-smile-procedures-for-different-refractive-error-range
#3
Leonardo Mastropasqua, Roberta Calienno, Claudia Curcio, Rodolfo Mastropasqua, Mario Nubile, Niccolò Salgari, Manuela Lanzini
PURPOSE: To detect corneal inflammation and apoptosis induced after small incision lenticule extraction (SMILE) at different refractive corrections for moderate to high values of myopia. METHODS: Fifty patients (50 eyes) suffering from medium to high myopia (spherical equivalent refraction from -3.75 to -10.00 diopters (D) with refractive astigmatism under -0.75 D) underwent SMILE in order to correct myopic error. In vivo evaluation was done by corneal confocal microscopy (IVCM) and ex vivo by immunohistochemistry...
December 2, 2016: Current Eye Research
https://www.readbyqxmd.com/read/27905889/influence-of-posterior-corneal-astigmatism-on-postoperative-refractive-astigmatism-in-pseudophakic-eyes-after-cataract-surgery
#4
Maki Sano, Takahiro Hiraoka, Yuta Ueno, Hideo Itagaki, Tomohiro Ogami, Tetsuro Oshika
BACKGROUND: To examine the influence of posterior corneal astigmatism on postoperative refractive astigmatism in pseudophakic eyes after cataract surgery. METHODS: The study enrolled 64 pseudophakic eyes of 50 patients (71.8 ± 9.9 years old, mean ± standard deviation) who had undergone phacoemulsification with non-toric IOL implantation. Refractive astigmatism was measured using an auto ref-keratometer with a 0.01- diopter (D) scale. Two types of corneal astigmatism were calculated using anterior segment optical coherence tomography; keratometric and total corneal astigmatism...
December 1, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27902849/oral-antivirals-for-preventing-recurrent-herpes-simplex-keratitis-in-people-with-corneal-grafts
#5
REVIEW
Uday K Bhatt, M N Abdul Karim, Jeremy I Prydal, Senthil V Maharajan, Usama Fares
BACKGROUND: Ocular herpes is a viral infection of the eye caused by the herpes simplex virus (HSV), a double-stranded DNA virus. Corneal scarring caused by herpes simplex keratitis (HSK) is the leading infectious cause of penetrating corneal graft in high-income countries. Acyclovir is an antiviral drug known to have a protective effect against recurrences in herpetic eye disease. While there are some studies which have evaluated the effects of intervention with oral antiviral in preventing such recurrences in people with corneal grafts, a systematic review of all comparative clinical trials has not been previously undertaken...
November 30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27898448/laser-vision-correction-in-treating-myopia
#6
Germano Leal Ehlke, Ronald R Krueger
Myopia is a generally benign refractive error with an increasing prevalence worldwide. It can be corrected temporarily with glasses and contact lenses and permanently with laser vision correction. The 2 main procedures currently being performed for myopia correction are photorefractive keratectomy and laser-assisted in situ keratomileusis. Each technique has its advantages, but they appear to yield similar visual outcomes 1 year after surgery. Laser vision correction for myopia was considered a paradigm shift because healthy eyes could now undergo a surgical procedure to permanently and safely correct the error by altering the center of the cornea, which was previously off limits because of the potential for loss of transparency...
November 2016: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/27897442/pupillary-offset-in-keratoconus-and-its-relationship-with-clinical-and-topographical-features
#7
Gozde Hondur, Nurullah Cagil, Ozge Sarac, Meltem Ece Ozcan, Pinar Kosekahya
PURPOSE: To evaluate the change in the location of pupillary center with corneal tomography in keratoconic patients, and determine the correlation of pupillary offset with clinical and topographical features of keratoconus. METHODS: Ninety-one eyes of the 54 patients with keratoconus in different stages and 39 eyes of 39 refractive surgery candidates with normal corneas were included in our study. Ocular aberrations and the pupillary offset parameters (x-offset and y-offset) over a 5 mm (undilated) pupil were measured with a Sirius corneal tomographer...
November 29, 2016: Current Eye Research
https://www.readbyqxmd.com/read/27896783/post-clear-corneal-phacoemulsification-endophthalmitis-profile-and-management-outcomes-at-a-tertiary-eye-care-center-in-western-india
#8
Aditya S Kelkar, Jai A Kelkar, Prajakta M Barve, Aishwarya Mulay, Shubhangi Sharma, Winfried Amoaku
BACKGROUND: Infectious endophthalmitis is a serious sight threatening intraocular inflammation that results from exogenous or endogenous spread of organisms into the eye.A retrospective case series to study the profile of endophthalmitis following clear corneal phacoemulsification in western India between years 2008 and 2014 was held in the National Institute of Ophthalmology, Pune, India. Cases of endophthalmitis post-clear corneal phacoemulsification were reviewed pertaining to demography, clinical history, surgeon experience, surgical complications, time of onset following surgery, duration between onset of symptoms and presentation to the center, presenting visual acuity and at follow-ups, slit-lamp examination and ultrasound findings, vitreous tap culture results, treatment, and final functional and anatomical outcomes...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27896441/pterygium-surgery-using-the-principle-of-contact-inhibition-results-of-13-years-experience
#9
Tsutomu Hara, Takako Hashimoto, Takeshi Hara
PURPOSE: To report a technique to prevent pterygium recurrence using the principle of contact inhibition. METHODS: Two hundred and fifteen patients (232 eyes; average age, 64.1 years) with primary pterygia who underwent pterygium surgery at the Hara Eye Hospital between 1999 and 2012. We retrospectively evaluated the patients who underwent the following procedure to prevent pterygium recurrence. The surface conjunctiva on the pterygium body was not removed. After removing the pterygium body, by placing a narrow pedicle autoconjunctival flap along the corneal limbus and tying it tightly to the front area of the residual conjunctiva, there is no room for the active residual tissue to proliferate, thus preventing a recurrence by contact inhibition...
November 28, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27893886/integrin-%C3%AE-5%C3%AE-1-inhibition-by-clt-28643-reduces-postoperative-wound-healing-in-a-mouse-model-of-glaucoma-filtration-surgery
#10
Tine Van Bergen, Grit Zahn, Patrizia Caldirola, Mario Fsadni, Ninus Caram-Lelham, Evelien Vandewalle, Lieve Moons, Ingeborg Stalmans
Purpose: To evaluate the therapeutic potential of the small molecule integrin α5β1 inhibitor, CLT-28643, to improve the filtering surgery outcome in a mouse model. Different dose regimens and administration routes of the inhibitor were compared with mitomycin C (MMC), the gold standard in clin ical practice. Methods: The efficacy of CLT-28643 on surgical outcome was studied in a mouse model for filtering surgery (n = 40 eyes from 20 mice per group). Single and repeated subconjunctival (SCJ) injections (1 or 2 μg) and topical eye drops (10 μg) of the integrin inhibitor were compared with 2-minute administration of MMC 0...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27893524/visual-outcomes-after-smile-lasek-and-lasek-combined-with-corneal-collagen-cross-linking-for-high-myopic-correction
#11
Sangyoon Hyun, Seongjun Lee, Jae-Hyung Kim
PURPOSE: To compare the visual and refractive outcomes of small-incision lenticule extraction (SMILE), laser-assisted subepithelial keratomileusis (LASEK), and LASEK combined with corneal collagen cross-linking (LASEK-CXL) surgery for high-degree myopia. METHODS: Medical records of patients with spherical equivalent (SE) greater than -6.00 diopters (D) treated with SMILE, LASEK, and LASEK-CXL were reviewed. Uncorrected distance visual acuity (UCVA), SE, and corneal haze were followed up in the 3 groups for 6 months...
November 23, 2016: Cornea
https://www.readbyqxmd.com/read/27892479/evaluation-of-the-effects-of-conjunctivochalasis-excision-on-tear-stability-and-contrast-sensitivity
#12
Weiqiang Qiu, Mingzhou Zhang, Ting Xu, Ziyuan Liu, Huibin Lv, Wei Wang, Xuemin Li
Conjunctivochalasis (CCh) disrupts tear flow and damages tear film stability. This study sought to evaluate the tear stability and contrast sensitivity of patients with CCh on whom CCh excision was performed. The study included 39 eyes from 39 patients; all patients had eyes with grade 2 or 3 CCh, underwent CCh excision, and were evaluated before and three months after the surgery. The evaluated variables included the ocular surface disease index (OSDI), the tear break-up time (TBUT), corneal fluorescein staining, corneal surface irregularity, Schirmer's I test, the tear meniscus area (TMA), and contrast sensitivity...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27891366/evaluation-of-the-central-corneal-thickness-with-anterior-segment-optical-coherence-tomogram-after-penetrating-keratoplasty
#13
Anuradha Raj, Renu Dhasmana, Harsh Bahadur, Ramesh Chander Nagpal
INTRODUCTION: Graft central thickness evaluates the graft quality which affects the outcome of Penetrating Keratoplasty (PK). It varies at different point of time after PK. Anterior Segment Optical Coherence Tomography (ASOCT) can measure graft's central thickness with quite high precision. AIM: The purpose of the study was to monitor the Central Corneal thickness (CCT) with ASOCT after PK and to evaluate its relationship with the pre-operative diagnosis. MATERIALS AND METHODS: This is an observational retrospective study where records of optical PK done in December 2012 and June 2015 were reviewed...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27889501/endophthalmitis-after-clear-corneal-cataract-surgery-outcomes-over-two-decades
#14
Nicolas A Yannuzzi, Nancy Si, Nidhi Relhan, Ajay E Kuriyan, Thomas A Albini, Audina M Berrocal, Janet L Davis, William E Smiddy, Justin Townsend, Darlene Miller, Harry W Flynn
PURPOSE: To report the clinical features, causative organisms, and visual acuity (VA) outcomes associated with acute-onset endophthalmitis after clear corneal cataract surgery over the past two decades. DESIGN: Retrospective case series. METHODS: Clinical and microbiology records were reviewed for 63 eyes of 63 patients who presented to a tertiary referral center between 2006 and 2015 with culture-positive endophthalmitis occurring within 6 weeks of clear corneal cataract surgery...
November 23, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27886047/topical-application-of-apricot-kernel-extract-improves-dry-eye-symptoms-in-a-unilateral-exorbital-lacrimal-gland-excision-mouse
#15
Chan-Sik Kim, Kyuhyung Jo, Ik-Soo Lee, Junghyun Kim
The purpose of this study was to investigate the therapeutic effects of topical application of apricot kernel extract (AKE) in a unilateral exorbital lacrimal gland excision mouse model of experimental dry eye. Dry eye was induced by surgical removal of the lacrimal gland. Eye drops containing 0.5 or 1 mg/mL AKE were administered twice a day from day 3 to day 7 after surgery. Tear fluid volume and corneal irregularity scores were determined. In addition, we examined the immunohistochemical expression level of Muc4...
November 23, 2016: Nutrients
https://www.readbyqxmd.com/read/27882081/effects-of-different-sutures-on-fibrosis-and-wound-healing-in-a-rabbit-model-of-corneal-wounds
#16
Ying Li, Hui J Chen, Hua Zhang, Jian G Wu, Yun T Hu, Zhi Z Ma
The aim of the study was to investigate wound healing and scar formation in rabbit corneal lamellar wounds repaired with simple interrupted sutures (SIS) or horizontal mattress sutures (HMS). Two parallel 'I'-shaped lamellar cornea wounds were created in one eye of 40 white New Zealand rabbits, while 5 uninjured rabbits were sacrificed to serve as normal controls. One side of the wounds, in the test rabbits, was closed with SIS, while the other side was treated with HMS. Ten days later, the stitches were removed under anesthesia...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27878429/comparison-of-specular-microscopy-and-ultrasound-pachymetry-before-and-after-cataract-surgery
#17
Alberto López-Miguel, María Sanchidrián, Itziar Fernández, Alfredo Holgueras, Miguel J Maldonado
PURPOSE: To compare specular microscopy (Topcon SP-3000P, Topcon Corporation, Tokyo, Japan) and ultrasound (US) technology when evaluating central corneal thickness (CCT) prior to and after phacoemulsification. METHODS: Corneal edema was assessed in phacoemulsification patients due to senile cataract by measuring CCT preoperatively and 1 day, 1 month, and 3 months postoperatively. Bland-Altman analysis was performed to assess interchangeability between pachymetry techniques for each visit...
November 22, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27875486/evaluation-of-corneal-deformation-parameters-provided-by-the-corvis-st-tonometer-after-trabeculectomy
#18
Yuan Zong, Na Wu, Zhixuan Fu, Xiangmei Kong
PURPOSE: The aims of this study were to evaluate how the corneal deformation parameters provided by the Corvis ST tonometer (CST) were influenced by pressure-lowering ocular surgery, and to determine the correlations of intraocular pressure (IOP) and axial length (AL) with CST corneal deformation parameters. METHODS: This prospective 1-month study enrolled 22 subjects (22 eyes) who underwent trabeculectomy combined with mitomycin C. The corneal deformation parameters were measured using the CST...
November 21, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27873063/-a%C3%A2-new-technique-to-facilitate-donor-preparation-for-dmek-surgery
#19
P W Rieck, T Engels
BACKGROUND: Descemet membrane endothelial keratoplasty (DMEK) is becoming more and more the method of choice to treat corneal endothelial diseases in specialized centers. The reasons that prevent this technique from becoming widespread are the delicate donor tissue preparation. By inverting the curvature of the cornea from convex to concave after mounting onto an artificial anterior chamber, we developed a combined manual delamination and hydrodissection technique, which allows a rapid and endothelium-preserving method of separating donor Descemet membranes from the underlying stroma...
November 21, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27865691/-evaluation-of-vision-quality-after-laser-vision-correction-in-healthcare-professionals
#20
J Lellouch, A Saad, E Guilbert, D Gatinel
PURPOSE: Healthcare professionals require good quality of vision. The main objective of this study is to evaluate the satisfaction and vision quality after laser vision correction in healthcare professionals. METHODS: This is a monocentric retrospective study. An online 25-question survey was sent to ametropic physicians, surgeons and nurses who underwent corneal refractive surgery with laser-assisted in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK) between July 2012 and February 2016...
November 16, 2016: Journal Français D'ophtalmologie
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