scholarly journals Long-term visual field changes after femtosecond laser-assisted cataract surgery in glaucoma patients, case series

2021 ◽  
pp. 101163
Author(s):  
Daniela Alvarez-Ascencio ◽  
Carolina Prado-Larrea ◽  
Jesus Jimenez-Roman ◽  
Rafael CastañedaDiez
Keyword(s):  
Visual Field ◽  
Femtosecond Laser ◽  
Cataract Surgery ◽  
Case Series

Heads-up 3D eye surgery: Safety outcomes and technological review after 2 years of day-to-day use

2021 ◽  
pp. 112067212110128
Author(s):  
Claudia Del Turco ◽  
Giuseppe D’Amico Ricci ◽  
Marco Dal Vecchio ◽  
Caterina Bogetto ◽  
Edoardo Panico ◽  
...  
Keyword(s):  
Cataract Surgery ◽  
Case Series ◽  
Depth Of Field ◽  
Procedural Complication ◽  
Long Time ◽  
Procedural Complications ◽  
Resolution Imaging ◽  
Visualization Systems ◽  
3D Surgery

Background: 3D heads-up visualization systems are aimed to improve the surgical experience by providing high-resolution imaging. Objective of our study is to analyze, over a long-time span, the grade of satisfaction and safety of day-to-day 3D surgery compared to standard surgery and to investigate the technical distinctiveness between the heads-up systems currently in use. Methods: In this retrospective observational case series. we reviewed all surgical records of our ophthalmology-dedicated operatory rooms since the arrival of 3D heads-up viewing system, in November 2017. In particular, we compared the procedural complications of 3D-equipped operatory room (3DR) with the standard microscope operatory room (2DR). Moreover, a satisfaction questionnaire was administered to those surgeons shifting on both rooms to test their preferences on seven specific parameters (comfort, visibility, image quality, depth perception, simplicity of use, maneuverability and teaching potential). Results: 5483 eye surgeries were considered. 2777 (50.6%) were performed in 3DR and 2706 (49.3%) in 2DR. Procedural complication rate was comparable in 3DR and 2DR, also when considering different subtypes of surgery. Twelve surgeons (100% of our surgery team) participated in our satisfaction survey, expressing highest satisfaction score for 3D when applied in retina surgery. For cataract surgery, 3D scored best in all the parameters except for facility in use and depth of field perception. Conclusion: Long-term day-to-day use of 3D heads-up visualization systems showed its safety and its outstanding teaching potential in all ophthalmic surgical subtypes, with higher surgeons confidence for retina and cataract surgery.

Long-term intraocular pressure changes after femtosecond laser–assisted cataract surgery in healthy eyes and glaucomatous eyes

2019 ◽  
Vol 45 (2) ◽  
pp. 181-187 ◽  
Author(s):  
Avni A. Shah ◽  
Jeanie Ling ◽  
Niraj R. Nathan ◽  
Ashton J. Kalhorn ◽  
Qingxia Chen ◽  
...  
Keyword(s):  
Intraocular Pressure ◽  
Femtosecond Laser ◽  
Cataract Surgery ◽  
Pressure Changes ◽  
Healthy Eyes

scholarly journals Changes in Tear Osmolarity and Matrix Metalloproteinase-9 Relative to Ocular Discomfort after Femtosecond Laser-Assisted Cataract Surgery

2021 ◽  
Vol 11 (24) ◽  
pp. 11878
Author(s):  
Kyu Sang Eah ◽  
Hun Lee ◽  
Jae Yong Kim ◽  
Hungwon Tchah
Keyword(s):  
Femtosecond Laser ◽  
Matrix Metalloproteinase ◽  
Cataract Surgery ◽  
Medical Records ◽  
Case Series ◽  
Matrix Metalloproteinase 9 ◽  
Function Score ◽  
Ocular Surface Disease Index ◽  
Ocular Discomfort ◽  
Metalloproteinase 9

The aim of this study was to evaluate the changes in tear osmolarity and matrix metalloproteinase-9 (MMP-9) and their relationships with ocular discomfort in patients after femtosecond laser-assisted cataract surgery (FLACS). This retrospective observational case series reviewed medical records of 51 eyes of 51 patients who underwent FLACS. Tear osmolarity and MMP-9 were evaluated preoperatively and at 1 day, 1 week, and 1 month postoperatively. Tear osmolarity ≥ 310 mOsm/L and MMP-9 ≥ trace positive were defined as abnormal results. The ocular surface disease index (OSDI) was evaluated preoperatively and postoperatively at 1 month. Tear osmolarity level and the number of eyes with abnormal tear osmolarity results did not change significantly up to 1 month after surgery. MMP-9 level and the number of eyes with abnormal MMP-9 results increased at 1-day postoperatively and then decreased at 1-month postoperatively (all p < 0.001). Among the OSDI subscales, ocular discomfort was aggravated (p < 0.001) but the visual function score improved at 1 month postoperatively (p < 0.001). Ocular discomfort aggravated after FLACS without an increase in either tear osmolarity or MMP-9. Ocular discomfort which patients commonly experience after FLACS may be due to etiology other than development or aggravation of dry eye disease.

scholarly journals Surgical efficiency in femtosecond laser cataract surgery compared with phacoemulsification cataract surgery: a case–control study

BMJ Open ◽  
2018 ◽  
Vol 8 (2) ◽  
pp. e018478 ◽  
Author(s):  
Alexander C Day ◽  
Phillip R Smith ◽  
Hongying Lilian Tang ◽  
Francesco Aiello ◽  
Badrul Hussain ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Cataract Surgery ◽  
Case Control Study ◽  
Video Recording ◽  
Case Series ◽  
Secondary Outcome ◽  
Surgical Instrument ◽  
Surgical Time ◽  
Control Study ◽  
Phacoemulsification Cataract Surgery

ObjectivesTo investigate differences in surgical time, the distance the surgical instrument travelled and number of movements required to complete manual phacoemulsification cataract surgery versus femtosecond laser cataract surgery.DesignNon-randomised comparative case series.SettingSingle surgery site, Moorfields Eye Hospital, UK.Participants40 cataract surgeries of 40 patients.InterventionsLaser-assisted and manual phacoemulsification cataract surgery. Laser-assisted surgery cases were performed using the AMO Catalys platform.Primary and secondary outcome measuresComputer vision tracking software PhacoTracking were applied to the recordings to establish the distance the instrument travelled, total number of movements (the number of times an instrument stops and starts moving) and time taken for surgery steps including phacoemulsification, irrigation–aspiration (IA) and overall surgery time. The time taken for laser docking and delivery was not included in the analyses.ResultsData on 19 laser-assisted and 19 manual phacoemulsification surgeries were analysed (two cases were excluded due to insufficient video-recording quality). There were no differences in the number of instrument moves, the distance the instrument travelled or time taken to complete the phacoemulsification stage. However for IA, the number of instrument moves (manual: mean 20 (SD 15) vs laser: mean 38 (SD 22), P=0.008) and time taken (manual: mean 75 s (SD 24) vs laser: mean 108 s (SD 36), P=0.003) were significantly greater for laser cases. For laser versus manual cases overall, there was no difference in number of moves or the distance the instrument travelled, but laser cases took longer (mean 88 s, P=0.049).ConclusionsLaser cataract surgery cases took longer to complete without accounting for the time taken to complete the laser procedure itself. This appears to be in part due to IA requiring more instrument manoeuvres and taking longer to complete. Data from a large randomised series would better elucidate this relationship.

scholarly journals Long Term Outcomes of Cataract Surgery in Severe and End Stage Glaucoma with Controlled IOP: A Retrospective Study

2019 ◽  
Author(s):  
Lin Fu ◽  
Yau Kei Chan ◽  
Junhua Li ◽  
Li Nie ◽  
Na Li ◽  
...  
Keyword(s):  
Visual Acuity ◽  
Intraocular Pressure ◽  
Retrospective Study ◽  
Visual Field ◽  
Cataract Surgery ◽  
Final Visual Acuity ◽  
Mean Deviation ◽  
The Mean ◽  
End Stage

Abstract Background: To investigate the long term surgical outcomes of cataract surgery in severe and end glaucoma patients with preoperative intraocular pressure less than 21mmHg, and to detect the associated factors. Methods: A retrospective study of severe and end stage glaucoma patients who underwent cataract surgery or combined with goniosynechialysis from March 2015 to April 2018. Main outcome measures were visual acuity, intraocular pressure, number of glaucoma medications and complications. Results: Twenty patients (24 eyes) were included. The mean age was 64.6 ± 11.0 years and the mean followed up duration was 21.4 ± 7.3 months. The final visual acuity was significantly improved from 0.93±0.72 to 0.70±0.74, within 14 (58.3%) eyes improved, 5 (20.8%) eyes kept unchanged, and 5 (20.8%) eyes reduced. Linear regression analysis indicated that higher mean deviation, higher visual field index and lower glaucoma stage associated with greater final visual acuity improvement (r = -0.545, r = -0.501, r = 0.521 respectively). Moreover, the final number of medications were reduced from 1.1 ± 0.9 to 0.2 ± 0.5 (p < 0.01). The mean intraocular pressure was not significantly reduced with the final IOP of 13.2 ± 3.9 (6.8-25.9) mmHg (p = 0.97). While the eyes with intraocular pressure above 15 mmHg was reduced to 7 (29.2%) eyes compared to 11 (45.8%) eyes at baseline. Moreover, the number of eyes without the use of medications was increased from 6 (25%) preoperatively to 20 (83.3%) eyes postoperatively. Conclusions: Final visual acuity was significantly improved in the severe and end stage glaucoma patients and the number of eyes came off medications increased by 58.3% after cataract surgery. Preoperatively, the glaucoma stage, mean deviation and visual field index are important parameters to predict the visual acuity changes after cataract surgery.

scholarly journals Cladophialophora Bantiana: A Rare Intracerebral Fungal Abscess—Case Series and Review of Literature

2017 ◽  
Vol 03 (02) ◽  
pp. e62-e68 ◽  
Author(s):  
Maleeha Ahmad ◽  
Darren Jacobs ◽  
Hueizhi Wu ◽  
Donna Wolk ◽  
Syed Kazmi ◽  
...  
Keyword(s):  
Visual Field ◽  
Mortality Rate ◽  
Surgical Resection ◽  
Memory Loss ◽  
Case Series ◽  
Review Of Literature ◽  
Retrospective Case ◽  
Complete Surgical Resection ◽  
Intracerebral Infection

Background Intracerebral Cladophialophora bantiana may carry up to a 70% mortality rate despite advances in surgical resection capabilities and the use of both systemic and intrathecal antifungal treatments. Objectives The authors examined a retrospective case series of two patients with intracerebral infection from the rare, neurotropic fungus Cladophialophora bantiana and conducted a literature review to evaluate optimal therapies. Patients/Methods At our institution, the patients' cases presented with raised intracranial features of headache, visual field cut, and/or memory loss, with a correspondingly wide variety of radiological differential diagnoses. It was the microbiological, histopathological, and genomic identification of C. bantiana that ensured targeted, individualized patient therapies. Results and Conclusions Successful treatment depends on obtaining a complete surgical resection, an accurate microbiological diagnoses for mold identification, and an effective long-term, personalized antifungal treatment. Close radiographic surveillance is necessary to ensure complete eradication of pheoid fungi.

scholarly journals Evaluating newer generation intraocular lens calculation formulas in manual versus femtosecond laser-assisted cataract surgery

2021 ◽  
Vol 14 (8) ◽  
pp. 1174-1178
Author(s):  
Harrish Nithianandan ◽  
◽  
Eric S. Tam ◽  
Hannah Chiu ◽  
Rajiv Maini ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Cataract Surgery ◽  
Radial Basis Function ◽  
Intraocular Lens ◽  
Refractive Error ◽  
Basis Function ◽  
Case Series ◽  
Absolute Error ◽  
Iol Power ◽  
Intraocular Lens Calculation

AIM: To determine the refractive accuracy of the Haigis, Barrett Universal II (Barrett), and Hill-radial basis function 2.0 (Hill-RBF) intraocular lens (IOL) power calculations formulas in eyes undergoing manual cataract surgery (MCS) and refractive femtosecond laser-assisted cataract surgery (ReLACS). METHODS: This was a REB-approved, retrospective interventional comparative case series of 158 eyes of 158 patients who had preoperative biometry completed using the IOL Master 700 and underwent implantation of a Tecnis IOL following uncomplicated cataract surgery using either MCS or ReLACS. Target spherical equivalence (SE) was predicted using the Haigis, Barrett, and Hill-RBF formulas. An older generation formula (Hoffer Q) was included in the analysis. Mean refractive error (ME) was calculated one month postoperatively. The lens factors of all formulas were retrospectively optimized to set the ME to 0 for each formula across all eyes. The median absolute errors (MedAE) and the proportion of eyes achieving an absolute error (AE) within 0.5 diopters (D) were compared between the two formulas among MCS and ReLACS eyes, respectively. RESULTS: Of the 158 eyes studied, 64 eyes underwent MCS and 94 eyes underwent ReLACS. Among MCS eyes, the MedAE did not differ between the formulas (P=0.59), however among ReLACS eyes, Barrett and Hill-RBF were more accurate (P=0.001). Barrett and Hill-RBF were both more likely to yield AE<0.5 D among both groups (P<0.001). CONCLUSION: The Barrett and Hill-RBF formula lead to greater refractive accuracy and likelihood of refractive success when compare to Haigis in eyes undergoing ReLACS.

scholarly journals Femtosecond Laser-Assisted Cataract Surgery in Glaucoma Patients, Case Series.

2020 ◽  
Author(s):  
Daniela Alvarez-Ascencio ◽  
Carolina Fernanda Prado-Larrea ◽  
Jesus Jimenez-Roman ◽  
Rafael Castañeda-Diez
Keyword(s):  
Visual Acuity ◽  
Femtosecond Laser ◽  
Cataract Surgery ◽  
Visual Fields ◽  
Case Series ◽  
Glaucoma Drainage Device ◽  
Angle Closure ◽  
Mean Deviation ◽  
Short Term ◽  
Case Series Study

Abstract BackgroundWe aim to describe the short-term effect of femtosecond laser-assisted cataract surgery (FLACS) in intraocular pressure (IOP), visual acuity (VA), number of hypotensive medications, and visual fields (VF) in glaucomatous eyes.MethodsSingle-center consecutive case series study included patients with a previous glaucoma diagnosis that needed cataract surgery alone or combined with incisional glaucoma procedure. IOP was measured during surgery immediately before and after pretreatment docking with an indentation tonometer. Changes in visual acuity (VA), IOP, number of medications, and VF were evaluated with a 90 day follow up.ResultsTwenty-seven eyes of 27 patients were included. Mean patient age was 70 years, 70% (n = 19) were female. Glaucoma diagnoses were: twelve patients with primary open-angle glaucoma, 13 with angle-closure glaucoma, and 2 with pseudoexfoliation glaucoma. Twenty-one patients underwent cataract surgery alone and 6 combined with an incisional glaucoma procedure (trabeculectomy or glaucoma drainage device implantation). We found no significant differences between pre-docking IOP (17.59 mmHg ± 6.25 SD) and post-docking IOP (17.23 mmHg ± 7.74 SD) p = 0.7. No surgical complications were recorded. The 90-day postoperative follow up revealed no changes from baseline regarding VF mean deviation, mean IOP, and the number of glaucoma medications decreased in both groups.ConclusionFLACS appears to perform well in the short-term in eyes with glaucoma undergoing cataract surgery alone or with an incisional glaucoma procedure. Comparable outcomes to manual phacoemulsification were obtained regarding IOP, VA, and postoperative period evolution.Clinical SignificanceSafety and efficacy of FLACS have not been properly studied in the glaucoma population, we present a case series with different glaucoma diagnoses who underwent FLACS alone or with an incisional glaucoma procedure.

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