Lalita Gupta|Victor Cvintal|Radha Delvadia|Yi Sun|Elif Erdem|Camila Zangalli|Lihua Lu|Sheryl S. Wizov|Jesse Richman|Eric Spaeth|George L. Spaeth
SPARCS and Pelli–Robson contrast sensitivity testing in normal controls and patients with cataract
George Washington University|Instituto de Urologia e Nefrologia|George Washington University Hospital|Chengdu Third People's Hospital|Cukurova University|Universidade Estadual de Campinas (UNICAMP)|Wills Eye Hospital|Wills Eye Hospital|Wills Eye Hospital|Wills Eye Hospital
purposeto determine ability newly developed internetbased spaethrichman contrast sensitivity sparcs test assess contrast sensitivity centrally peripherally cataract subjects controls comparison pellirobson pr testmethodsin prospective crosssectional study cataract subjects agematched normal controls evaluated using sparcs pr tests contrast sensitivity testing performed eye twice standardized testing environment randomized order sparcs scores obtained central right upper ruq right lower rlq left upper luq left lower quadrants llq pr scores obtained central contrast sensitivity pr sparcs scores cataract subjects compared controls intraclass correlation coefficients icc bland altman analysis used determine testretest reliability correlationresultsa total 162 eyes 84 subjects analyzed 43 eyes 23 cataract subjects 119 eyes 61 controls mean scores sparcs centrally 134 145 cataract control groups respectively p0001 pr mean scores 131 145 cataract control groups respectively p0001 icc values testretest reliability cataract subjects 075 pr 061 sparcs total acceptable agreement ability pr sparcs detect effect cataract central contrast sensitivityconclusionsboth sparcs pr demonstrate significant influence cataract contrast sensitivity sparcs offers advantage determining contrast sensitivity peripherally centrally without influenced literacy