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Morphology of traumatic cataract: does it play a role in final visual outcome?

ABSTRACT: Aim To study the morphology of traumatic cataract as an important predictor for final visual outcome after treatment of traumatic cataracts. Setting Tertiary eye care centre in Dahod at the trijunction of Gujarat, Madhya Pradesh, and Rajasthan states in central western India. Methods This was a prospective observational cohort study among all patients presenting at the hospital with traumatic cataracts between January 2003 and December 2009. All information regarding demographic and ocular trauma was collected on a pretested World Eye Trauma Registry form for both the first visit and follow-up. In particular, the authors collected specific information about the morphology of traumatic cataracts; the surgical technique was determined accordingly. Data were entered and analysed with regard to the relationship between type of trauma and resulting injury, results achieved with particular surgical techniques, and the relationship between morphology and final visual outcome. Outcome measures Final visual outcome. Results Traumatic cataracts of different morphologies showed significant differences in the final visual outcome (?(2) test, p=0.014). Conclusion The morphology of traumatic cataract plays an important role in the final visual outcome.

SUBMITTER: Shah MA

PROVIDER: S-EPMC3191399 | biostudies-literature | 2011 Jul

REPOSITORIES: biostudies-literature

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Morphology of traumatic cataract: does it play a role in final visual outcome?

Shah Mehul A MA Shah Shreya M SM Shah Shashank B SB Patel Chintan G CG Patel Utsav A UA

BMJ open 20110729 1

Aim To study the morphology of traumatic cataract as an important predictor for final visual outcome after treatment of traumatic cataracts. Setting Tertiary eye care centre in Dahod at the trijunction of Gujarat, Madhya Pradesh, and Rajasthan states in central western India. Methods This was a prospective observational cohort study among all patients presenting at the hospital with traumatic cataracts between January 2003 and December 2009. All information regarding demographic and ocular tra ...[more]

PMID: 22021742

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Project description:PurposeTo determine factors impacting cumulative dissipated energy (CDE) and postoperative best-corrected visual acuity (BCVA) in phacoemulsification.DesignReview of 1102 cases at University of California, San Francisco (UCSF) and at Zhongshan Ophthalmic Center (ZOC), China.SubjectsPatients who underwent cataract surgery at UCSF 03/2014-03/2019 and at ZOC 10/2018-05/2019.MethodsPatient demographics, medical history, routine ocular examination, and surgical information, including disassembly method, complications, and surgeon training level were recorded. Univariable and multivariable regression models were used to determine factors associated with CDE and good postoperative BCVA (20/40 or better) at 1 month.Outcome measuresCDE, postoperative BCVA.ResultsIn multivariable analysis, patient age at time of surgery, diabetes, degree of nuclear sclerosis (NS), white-to-white corneal diameter, disassembly method, preoperative BCVA, surgeon training level, and surgical center were significantly associated with CDE. Log10CDE increased by 0.20-0.31 for patient age ≥ 70 years, by 0.07 if the patient had diabetes, by 0.12-0.41 for NS grade ≥ 2, by 0.48 per 10 mm increase in white-to-white corneal diameter, by 0.34-0.47 for disassembly method other than non-stop chop, by 0.16 per unit increase in preoperative logMAR BCVA, and by > 0.09 when phacoemulsification was performed by residents early in their training. Log10CDE was 0.33 higher at UCSF than ZOC. In multivariable analysis, worse baseline visual acuity and age above 90 years at time of surgery decreased the odds of good BCVA (OR = 0.26 per unit increase in preoperative logMAR BCVA; OR = 0.12 for age > 90); comorbid retinal issues decreased the odds of good postoperative BCVA (OR = 0.13-0.39); greater anterior chamber depth (ACD) or shorter axial length (AL), increased the odds of good postoperative outcome (OR = 2.64 per 1 mm increase ACD, OR = 0.84 per 1 mm increase AL).ConclusionsCataract grade determined by slit lamp exam and, for the first time, older patient age, were noted to be important predictors of high CDE. CDE was not a risk factor for postoperative BCVA measured at postoperative 1 month. When surgery was performed by trainees under supervision, lower training level was associated with higher CDE, but not with worse postoperative BCVA.

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Morphology of traumatic cataract: does it play a role in final visual outcome?

Publications

Morphology of traumatic cataract: does it play a role in final visual outcome?

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