This editorial in response to the published article titled“Changes in corneal curvature and aberrations after cataract surgery”by Dai,Ruan,and Wang et al.(1)is to reflect back on the evolution of cataract surgery.We...This editorial in response to the published article titled“Changes in corneal curvature and aberrations after cataract surgery”by Dai,Ruan,and Wang et al.(1)is to reflect back on the evolution of cataract surgery.We started with the basic procedure of‘couching’to restore vision in blind eyes caused by mature or hypermature cataracts(2).Next came the procedure of‘intra-capsular cataract removal’with 180°corneo-scleral incision using von-Graefe’s knife,initially without any suture closure of the wound that followed by suturing the wound.Aphakic corrective glasses would suffice to restore‘functional vision’in those early days of cataract surgery.展开更多
In the United States,a patient is‘legally blind’if the best corrected vision in‘both eyes’is 20/200(0.1)or less or the peripheral visual field is less than 20°from the central fixation(1).It could be from adv...In the United States,a patient is‘legally blind’if the best corrected vision in‘both eyes’is 20/200(0.1)or less or the peripheral visual field is less than 20°from the central fixation(1).It could be from advanced glaucoma,opaque cornea,amblyopia,cataract,macular degeneration,severe retinitis pigmentosa,retinal detachment,optic neuritis,conerod dystrophies,and/or chorio-retinal degenerations,etc.Legally blind are considered‘visually handicapped’.While some of these patients are‘functional’in their familiar surroundings,but most lose their‘independence’even in daily life activities.That has detrimental effect on their psychological wellbeing.They feel helpless and burden on their families and the society.展开更多
文摘This editorial in response to the published article titled“Changes in corneal curvature and aberrations after cataract surgery”by Dai,Ruan,and Wang et al.(1)is to reflect back on the evolution of cataract surgery.We started with the basic procedure of‘couching’to restore vision in blind eyes caused by mature or hypermature cataracts(2).Next came the procedure of‘intra-capsular cataract removal’with 180°corneo-scleral incision using von-Graefe’s knife,initially without any suture closure of the wound that followed by suturing the wound.Aphakic corrective glasses would suffice to restore‘functional vision’in those early days of cataract surgery.
文摘In the United States,a patient is‘legally blind’if the best corrected vision in‘both eyes’is 20/200(0.1)or less or the peripheral visual field is less than 20°from the central fixation(1).It could be from advanced glaucoma,opaque cornea,amblyopia,cataract,macular degeneration,severe retinitis pigmentosa,retinal detachment,optic neuritis,conerod dystrophies,and/or chorio-retinal degenerations,etc.Legally blind are considered‘visually handicapped’.While some of these patients are‘functional’in their familiar surroundings,but most lose their‘independence’even in daily life activities.That has detrimental effect on their psychological wellbeing.They feel helpless and burden on their families and the society.
