Laser & Optoelectronics Progress, Volume. 61, Issue 24, 2411002(2024)
Cyclopean Eye Position Test Method Using Three-Dimensional Display System
Figures & Tables(8)
Fig. 2. Stereoscopic display-based testing system for detecting the cyclopean eye （practicality picture）
Fig. 3. Schematic diagram of the equivalent watching distance of autostereoscopic display
Fig. 4. Experimental program interface written in MATLAB. (a) Two flares aligned; (b) two flares not aligned
Fig. 5. Psychometric functions of some subjects under each presenting condition (test bar above and below standard bar) and each viewing angle (15°and -15°)
Table 1. Cyclopean location and related data for certain subjects
View tableTable 1. Cyclopean location and related data for certain subjects
Trial No. Xce /cm Zce /cm DIP /cm WL WR DSE DH 1 0.07 -2.05 6.0 0.49 0.51 left right 2 1.05 -1.42 6.5 0.34 0.66 right right 3 -0.11 -0.16 6.8 0.52 0.48 left right 4 -0.72 -0.36 6.3 0.61 0.39 right right 5 0.44 -2.04 6.5 0.43 0.57 right right 6 -0.01 -1.57 6.3 0.50 0.50 right right 7 -0.25 -1.39 6.3 0.54 0.46 right right 8 -0.09 -0.52 6.2 0.51 0.49 right right
Table 2. Comparison of mean and standard deviations of the Xce and Zce coordinates derived from different methods
View tableTable 2. Comparison of mean and standard deviations of the Xce and Zce coordinates derived from different methods
Method Xce /cm Zce /cm Mean SD Mean SD Funaishi［ 8 ］-0.29 0.90 -2.69 4.10 Fry［ 9 ］0.28 1.44 -15.07 7.95 Howard & Templeton［ 11 ］0.28 0.97 -1.16 1.16 Proposed method 0.17 0.46 -1.33 0.60
Table 3. Symbols used in the cyclopean eye detection experiment
View tableTable 3. Symbols used in the cyclopean eye detection experiment
Symbol Meaning Pt Test bar location （comparative stimulus） Ps Standard bar location （standard stimulus） Xce Coordinate of cyclopean eye on the x-axis /cm Zce Coordinate of cyclopean eye on the z-axis /cm Xle Coordinate of real eye on the x-axis /cm Xre Coordinate of real eye on the z-axis /cm WL Weight of left eye for judging visual direction WR Weight of right eye for judging visual direction Viewing angle /（ ） DSE Sighting eye dominance DH Handedness DIP Inter-pupillary distance
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Yujie Liu, Zhenping Xia, Lingwei Gao, Yueyuan Zhang. Cyclopean Eye Position Test Method Using Three-Dimensional Display System[J]. Laser & Optoelectronics Progress, 2024, 61(24): 2411002
Paper Information
Category: Imaging Systems
Received: Feb. 29, 2024
Accepted: Apr. 25, 2024
Published Online: Nov. 19, 2024
The Author Email:
CSTR:32186.14.LOP240768
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