â??Matched population comparison of visual outcomes and patient satisfaction between three treatments modalities for the correction of low to moderate myopia and myopic astigmatismâ??

ethradhama Research Foundation0 个研究点目标入组 90 人开始时间: 待定最近更新: 2021年11月24日

试验速览

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•ICL group A:
•Any gender, 21 to 45 years of age
•ACD (endo) >= 3mm
•Myopia between -3 to -8 D and astigmatism between upto -3D
•Stable corneal conditions within the last 12 months
•FEMTO-LASIK group B:
•Inclusion criteria
•Any gender between 21 to 45 years of age
•Myopia between -3 to -8 D and astigmatism upto - 3 Dcyl
•Stable corneal conditions within the last 12 months
•Stable refraction since past 12 months( <0.5D change within past 12 months)
•Healthy ocular surface with stable tear film
•Discontinuation of Soft contact lenses 1 week , and rigid contact lenses 3 weeks prior to surgery
•SMILE group C:
•Inclusion criteria
•Any gender , 21 to 45 years of age
•Myopia between -3 to -8 D and astigmatism upto - 3 Dcyl
•Stable corneal conditions within the last 12 months
•Stable refraction since past 12 months( <0.5D change within past 12 months)
•Healthy ocular surface with stable tear film
•Discontinuation of Soft contact lenses 1 week , and rigid contact lenses 3 weeks prior to surgery

•Age of less than 21 or more than 45 years.
•ACD (endo) < 3 mm
•Myopia outside -3 to -8 D range or astigmatism > 3 D
•Keratoconus
•Cataract or glaucoma
•Pregnant or nursing mothers
•Abnormal endothelial cell count
•Irido-corneal angles less than Grade III
•Exclusion criteria- applicable to both F-LASIK and SMILE groups
•Myopia > -8 D SE and Manifest cylinder > 5D
•Thin corneas ( Corneal pachymetry <480u)
•Steep corneas Kmax >48 D
•Keratoconus suspects o r frank keratoconus
•Mixed astigmatism
•Moderate to severe dry eye(Shirmers1 <10 mm)
•Socket / globe /lid anomalies â?? very deep set eyes, nanophthalmos
•Severe meibomian gland disease, lid abnormalities
•Severe atopy
•Contact lens overuse
•Pregnant and nursing mother
•Pts on systemic medications eg Iso retinoic acid, hormonal preperations, OCPs, antidepressants

发起方

ethradhama Research Foundation