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Femtosecond laser-assisted cataract surgery in management of posterior capsule tear following blunt trauma: Case report and review of literature.

ABSTRACT: Purpose:To describe the diagnosis and management of a patient with rupture of the posterior capsule (PC) following blunt trauma to the left eye. Observation:68 year-old man presented with complaints of left eye pain, blurry vision and photophobia after getting hit in the left eye with a baseball. He was found to have a posterior capsule rupture, as well as mydriasis and zonular dialysis without formation of intumescent traumatic cataract. Femtosecond laser associated cataract surgery (FLACS) was performed to facilitate creation of an anterior capsulotomy and segmentation of the nucleus without additional strain on the posterior capsule, facilitating placement of a capsular tension ring segment and a 3-piece IOL in the sulcus. At three-month post-operative visit, his BCVA was 20/30 in the left eye with a well-centered IOL. Conclusions and Importance:Isolated PC tear following high-speed blunt trauma is relatively rare and prior reports have managed these cases using standard phacoemulsification and IOL insertion. Our case highlights the advantages of using FLACS in management of traumatic PC tears and outlines modifications to this technique for such cases.

SUBMITTER: Prager AJ

PROVIDER: S-EPMC7251535 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Femtosecond laser-assisted cataract surgery in management of posterior capsule tear following blunt trauma: Case report and review of literature.

Prager Alisa J AJ Basti Surendra S

American journal of ophthalmology case reports 20200516

<h4>Purpose</h4>To describe the diagnosis and management of a patient with rupture of the posterior capsule (PC) following blunt trauma to the left eye.<h4>Observation</h4>68 year-old man presented with complaints of left eye pain, blurry vision and photophobia after getting hit in the left eye with a baseball. He was found to have a posterior capsule rupture, as well as mydriasis and zonular dialysis without formation of intumescent traumatic cataract. Femtosecond laser associated cataract surg ...[more]

PMID: 32478199

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Project description:Purpose To evaluate capsulotomy shape and posterior capsule opacification (PCO) during an 18-month follow-up for bimanual femtosecond laser-assisted cataract surgery (FLACS). Methods 74 eyes operated by a well-trained surgeon with bimanual FLACS technique using low-energy LDV Z8 (Ziemer Ophthalmic Systems AG, Port, Switzerland) were included in the study. The follow-up period was 18?±?2 months. Another 91 eyes, which underwent standard bimanual microincision cataract surgery (B-MICS), served as a control group. In all cases, a BunnyLens AF (Hanita Lenses, Israel) intraocular lens was implanted in the bag. A digital image of the capsule with slit-lamp retroillumination was performed in all patients at 18 months of follow-up. Image analysis software (ImageJ) was used to evaluate the shape of the capsulotomy in terms of diameter, area, and circularity. PCO score was evaluated using EPCO 2000 software. Best corrected visual acuity (BCVA) and endothelial cell count (ECC) were evaluated before and after surgery at 1 and 18?±?2 months. Results At 18 months, mean capsulotomy diameter was 5.34?±?0.21?mm while capsulorhexis was 5.87?±?0.37?mm (p < 0.001) and the deviation area from baseline was 1.13?±?1.76?mm2 in FLACS and 2.67?±?1.69?mm2 in B-MICS (p < 0.001). Capsulotomy circularity was 0.94?±?0.04 while capsulorhexis was 0.83?±?0.07 (p < 0.001). EPCO score was 0.050?±?0.081 in the FLACS group and 0.122?±?0.239 in the B-MICS group (p=0.03). The mean BCVA improvement was significant in both groups, without a significant difference at 18 months. We noticed a statistically significant difference in endothelial cell loss at 18 months (FLACS 12.4% and B-MICS 18.1%; p=0.017). Conclusions Bimanual FLACS is a safe and effective technique, as determined in a long-term follow-up. Capsulotomy shape presented higher stability and circularity in the FLACS group over the 18-month observation period. FLACS resulted in lower PCO scores and endothelial cell loss at 18 months in comparison to B-MICS standard technique.

Project description:PurposeTo report the 3-month results of a randomized trial (Femtosecond Laser-Assisted Cataract Trial [FACT]) comparing femtosecond laser-assisted cataract surgery (FLACS) with standard phacoemulsification cataract surgery (PCS).DesignMulticenter, randomized controlled trial funded by the UK National Institute of Health Research (HTA 13/04/46/).ParticipantsSeven hundred eighty-five patients with age-related cataract.MethodsThis trial took place in 3 hospitals in the UK National Health Service (NHS). Randomization (1:1) was stratified by site, surgeon, and 1 or both eyes eligible using a secure web-based system. Postoperative assessments were masked to the allocated intervention. The primary outcome was unaided distance visual acuity (UDVA) in the study eye at 3 months. Secondary outcomes included corrected distance visual acuity, complications, and patient-reported outcomes measures. The noninferiority margin was 0.1 logarithm of the minimum angle of resolution (logMAR). ISRCTN.com registry, number ISRCTN77602616.Main outcome measuresWe enrolled 785 participants between May 2015 and September 2017 and randomly assigned 392 to FLACS and 393 to PCS. At 3 months postoperatively, mean UDVA difference between treatment arms was -0.01 logMAR (-0.05 to 0.03), and mean corrected distance visual acuity difference was -0.01 logMAR (95% confidence interval [CI], -0.05 to 0.02). Seventy-one percent of both FLACS and PCS cases were within ±0.5 diopters (D) of the refractive target, and 93% of FLACS and 92% of PCS cases were within ±1.0 D. There were 2 posterior capsule tears in the PCS arm and none in the FLACS arm. There were no significant differences between arms for any secondary outcome.ConclusionsFemtosecond laser-assisted cataract surgery is not inferior to conventional PCS surgery 3 months after surgery. Both methods are as good in terms of vision, patient-reported health, and safety outcomes at 3 months. Longer-term outcomes of the clinical effectiveness and cost-effectiveness are awaited.

Dataset Information

Femtosecond laser-assisted cataract surgery in management of posterior capsule tear following blunt trauma: Case report and review of literature.

Publications

Femtosecond laser-assisted cataract surgery in management of posterior capsule tear following blunt trauma: Case report and review of literature.

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