Par corneal topography system (PAR CTS): The clinical application of close-range photogrammetry

Optometry and Vision Science

Volumn 72, Issue 11, 1995, Pages 828-837

  Belin, Michael W ^a   Cambier, James L ^b   Nabors, John R ^b   Ratliff, C Derek ^c  

^a STRATTON VA MEDICAL CENTER   (United States)

^b PAR Vision Systems Corp   (United States)

^c ALBANY MEDICAL COLLEGE   (United States)

Author keywords

Elevation; Fluorescence; Keratoconus; Photogrammetry; Photorefractive; Placido; Rasterphotogrammetry; Stereogrammetry; Structured lighting; Tangential; Topography; Triangulation; Videokeratoscopes; Forme fruste keratoconus

Indexed keywords

ARTICLE; COMPUTER SYSTEM; CORNEA; FLUORESCENCE; IMAGING SYSTEM; KERATOCONUS; KERATOSCOPY; PHOTOGRAPHY; PRIORITY JOURNAL; TOPOGRAPHY;

CORNEA; HUMAN; IMAGE PROCESSING, COMPUTER-ASSISTED; PHOTOGRAMMETRY;

EID: 0028784052     PISSN: 10405488     EISSN: None     Source Type: Journal    
DOI: 10.1097/00006324-199511000-00009     Document Type: Article

References (16)

1. Warnicki JW, Rehkopf PG, Curtin SA, Burns SA, Arffa RC, Stuart JC. Corneal topography using computer analyzed rasterstereographic images. Appl Opt 1988;27:1135-1140.
2. Littoff D, Belin MW, Winn SS, Smith RS. PAR Technology Corneal Topography System. Invest Ophthalmol Vis Sci1991;32(Suppl):922.
3. Belin MW, Litoff D, Strods SJ, Winn S, Smith RS. The PAR technology corneal topography system. Refract Corneal Surg 1992;8:88-96.
4. Belin MW, Zloty P. Accuracy of the PAR Corneal Topogaphy System with spatial misalignment. CLAO J 1993;19:64-68.
5. Belin MW. Intraoperative raster photogrammetry-the PAR corneal topography system. J Cataract Refract Surg 1993; 19(Suppl):188-192.
6. Arffa RC, Warnicki JW, Rehkopf PG. Corneal topography using rasterstereography. Refract Corneal Surg 1989;5: 414-417.
7. Roberts C. The accuracy of power maps to display curvature data In corneal topography systems. Invest Ophthalmol Vis Sci 1994;35:3525-3532.
8. Applegate RA. Characterization of the inherent error In a spherically-biased corneal topography system in mapping a radially aspheric surface. Refract Corneal Surg 1994;10: 113-114.
9. El Hage SG. A computerized corneal topographer for use in refractive surgery. Refract Corneal Surg 1989;5:418-423.
10. Mandell RB. The enigma of the corneal contour. CLAO J1992;18:267-273.
11. Hannush SB, Crawford SL, Waring GO, Gemmill MC, Lynn MJ, Nizam A. Accuracy and precision of keratometry, pho-tokeratoscopy, and corneal modeling on calibrated steel balls. Arch Ophthalmol 1989;107:1235-1239.
12. Hannush SB, Crawford SL, Waring GO, Gemmill MC, Lynn MJ, Nizam A. Reproducibility of normal corneal power measurements with a keratometer, photokeratoscope, and video imaging system. Arch Ophthalmol 1990;108:539-544.
13. Koch DD, Wakll JS, Samuelson SW, Haft EA. Comparison of the accuracy and reproducibility of the keratometer and the EyeSys Corneal Analysis System Model 1. J Cataract Refract Surg 1992;18:342-347.
14. Belin MW, Ratliff CD, Ditkoff J. Comparison of color topometry, rasterphotogrammetry and standard black and white videokeratography in the analysis of severely distorted corneas. Cornea 1995;14:117.
15. Belin MW, Ditkoff J, Ratliff CD. “Use of combined elevation and curvature maps in the detection of keratoconus” (presentation). International Society of Refractive Keratoplasty (ISRK) Annual Meeting, San Francisco, CA, 1994.
16. Rabinowitz YS, McDonnel PJ. Computer-assisted corneal topography in keratoconus. Refract Corneal Surg 1989;6: 400-408.