Authors Subjects (mean age) Thermotracer used (specification) Ocular surface marking and OST acquisition OST indices studied Static/dynamic (time upon eye opening) Morgan et al. [3 ] 1 D IR thermographer — RTD Static Morgan et al. [11 ] 36 D IR thermographer Five 10 × 10 pixels placed in 5 anatomical locations along horizontal meridian running across centre cornea MOST Static Morgan et al. [12 ] 11 D IR thermographer 4 mm2 area at the centre of cornea GCC Dynamic Fujishima et al. [13 ] 20 D IR radiation thermometer THI-500 Central cornea GCC Static and dynamic Mori et al. [14 ] 13 D Thermal Vision Laird 3 (Nikon) 20 × 20 pixel box at central cornea Dynamic Craig et al. [8 ] 8 D IR thermographer Mean of central cornea pixels GCC Static Zelichowska et al. [15 ] 9 D IR radiation thermographer Central cornea GCC Static and dynamic Singh and Bhinder [16 ] 51 D IR and remote heat sensor thermometry Closed and open eye temperature for 5 s MOST Static Kamao et al. [17 ] 30 D Tomey IR thermographer Central cornea (GCC) 4 mm in diameter, GCC Static and dynamic Su et al. [18 ] 76 D Microbolometer sensor ROI (region of interest) determined by four curves connected between four manually set apexes (top and bottom of the eye, left and right corners of the eye) TDV Dynamic Kottaiyan et al. [19 ] — Thermovision A40 Central corneal — Dynamic Azharuddin et al. [20 ] 42 D FLIR SC305 Cornea — Dynamic Zhang et al. [21 ] 20 D FLIR SC325 Central cornea 7~9 mm circular — Dynamic Versura et al. [22 ] 24 D Tomey TG 1000 Central cornea 4 mm circular CCT Static
