title: Development of computerized color vision testing as a replacement for Martin Lantern.
abstract: BACKGROUND
  Development and standardization of computerized color vision testing as a replacement for Martin Lantern test. Non-randomized comparative trial.
  
  
  METHODS
  All candidates of SSB, Allahabad, reporting for SMB underwent color vision testing at the eye dept by computerized eye test and currently available tests.
  
  
  RESULTS
  All candidates were subjected to Ishihara chart testing and those found to be CP III were subjected to the confirmatory test on Martin Lantern and the Software. Candidates requiring CP I standards for eligibility were tested on the same on Martin Lantern and on the new software method. On comparison between the Standard Martin Lantern and the Software, the results were consistent and comparable with 82 patients testing CP I on the Martin Lantern and 81 on the software. Of the CP III patients, 253 tested positive on the Standard lantern test as compared to 251 on the software and of the CP IV group, 147 tested positive on the Standard lantern and 149 by the software method.
  
  
  CONCLUSIONS
  It was found that the software replicated the existing Martin Lantern accurately and consistently. The Martin Lantern Software can be used as a replacement for existing old Lanterns which are not in production since the early 20th century.
authors.affiliation: Classified Specialist (Ophthalmology), 166 MH, C/o 56 APO, India.
authors.forename: Gaurav
authors.initials: G
authors.lastname: Kapoor
authors.affiliation: MS (Ophth), Ant Seg Microsurgeon, House No 750, Sector 12 A, Panchkula, Haryana, India.
authors.forename: D P
authors.initials: DP
authors.lastname: Vats
authors.affiliation: Consultant (Ophthalmology & Anterior Segment Microsurgeon), Army Hospital (R&R), Delhi Cantt, India.
authors.forename: J K S
authors.initials: JK
authors.lastname: Parihar
keywords: Color Vision; Ishihara; Lantern Tests; Martin Lantern