AIM:To compare the visual outcomes of children with small(≤3 mm)posterior polar cataracts(PPC)and posterior lenticonus who had cataract extraction surgery with the visual outcomes of those who were managed conservati...AIM:To compare the visual outcomes of children with small(≤3 mm)posterior polar cataracts(PPC)and posterior lenticonus who had cataract extraction surgery with the visual outcomes of those who were managed conservatively.METHODS:Children who initially had small PPC and posterior lenticonus who were followed up over 1-year period were retrospective reviewed in the study.Patients receiving surgery were compared with those receiving conservative therapy.The axial length,keratometry,refraction,bestcorrected visual acuity(BCVA),and strabismus measurements were recorded.Lens morphology,i.e.,the location,size,and depth of the cataract lesion,was measured with a Scheimpflug imaging system.To help control for baseline differences in the groups,patients were matched with controls by propensity score methodology.RESULTS:The study evaluated 60 patients(30 in the surgery group and 30 in the conservative therapy group)after matching by propensity score.Patients who underwent cataract surgery showed greater BCVA improvements(0.36±0.24 logMAR)than patients who were treated without surgery(0.22±0.26 logMAR;P=0.036).Surgery was effective in patients with a rear projection length(RPL)less than 1.0 mm and a pretreatment BCVA worse than 0.52 logMAR.CONCLUSION:Children with small PPC and posterior lenticonus who undergo cataract surgery experience greater BCVA improvements than those managed conservatively.Certain patients presenting with a RPL less than 1.0 mm and a pretreatment BCVA of 0.52 logMAR or worse may benefit from surgery.展开更多
Although cataract surgery in posterior polar cataract is associated with posterior capsular rent and nucleus drop, by taking precautions the rate of complication can be decreased. The aim of this article is to review ...Although cataract surgery in posterior polar cataract is associated with posterior capsular rent and nucleus drop, by taking precautions the rate of complication can be decreased. The aim of this article is to review the etiology, pathogenesis, clinical features, and management of posterior polar cataract.展开更多
基金Supported by the National Natural Science Foundation of China(No.81970813,No.81770967)the National Key R&D Program of China(No.2018YFC0116500)+1 种基金the Natural Science Foundation of Guangdong Province,China(No.2018A030313635)Science and Technology Program of Guangzhou,China(No.201904010062)。
文摘AIM:To compare the visual outcomes of children with small(≤3 mm)posterior polar cataracts(PPC)and posterior lenticonus who had cataract extraction surgery with the visual outcomes of those who were managed conservatively.METHODS:Children who initially had small PPC and posterior lenticonus who were followed up over 1-year period were retrospective reviewed in the study.Patients receiving surgery were compared with those receiving conservative therapy.The axial length,keratometry,refraction,bestcorrected visual acuity(BCVA),and strabismus measurements were recorded.Lens morphology,i.e.,the location,size,and depth of the cataract lesion,was measured with a Scheimpflug imaging system.To help control for baseline differences in the groups,patients were matched with controls by propensity score methodology.RESULTS:The study evaluated 60 patients(30 in the surgery group and 30 in the conservative therapy group)after matching by propensity score.Patients who underwent cataract surgery showed greater BCVA improvements(0.36±0.24 logMAR)than patients who were treated without surgery(0.22±0.26 logMAR;P=0.036).Surgery was effective in patients with a rear projection length(RPL)less than 1.0 mm and a pretreatment BCVA worse than 0.52 logMAR.CONCLUSION:Children with small PPC and posterior lenticonus who undergo cataract surgery experience greater BCVA improvements than those managed conservatively.Certain patients presenting with a RPL less than 1.0 mm and a pretreatment BCVA of 0.52 logMAR or worse may benefit from surgery.
文摘Although cataract surgery in posterior polar cataract is associated with posterior capsular rent and nucleus drop, by taking precautions the rate of complication can be decreased. The aim of this article is to review the etiology, pathogenesis, clinical features, and management of posterior polar cataract.
