To check SSD and hard drive temperatures, execute the following command: sudo hddtemp /dev/sda. The results include the temperature of each core and maximum thresholds. The output shows the current temperature readings of all sensors in the machine. In many cases, these shrinkage levels can be expected to have significant effects on clinical performance. Execute the sensors command to see the CPU temperature. This study has identified the levels of shrinkage in current soft contact lenses. There was, however, a wide range in change between the different lenses tested. The smallest mean changes for silicone hydrogel and hydrogel lenses were with 1-DAY ACUVUE TruEye (Δ0.04 mm) and SofLens 38 (Δ0.11 mm), respectively. The largest mean changes with silicone hydrogel and hydrogel lenses were with Avaria (Δ0.33 mm) and SofLens Daily Disposable (Δ0.69 mm), respectively. Theoretical changes in base curve radii were also calculated.Īll lens types reduced in diameter when raised to ET.
Temperature script for system lens iso#
Lens diameter measurements were undertaken after equilibration in ISO saline in a temperature controlled lens analyzer (Optimec Ltd, Malvern, UK). With the script logsystemcputemp.sh you can log the system and cpu temperature in a text file with the name SYSTEMCPUtemp.
Twenty-four reusable and daily disposable lens types (10 hydrogel and 14 silicone hydrogel) in three powers were measured for total diameter at RT (20☌☑☌) and ET (34☌☑☌). The mirror is introduced in a thermal chamber where the temperature is controlled in a homogeneous way along the lens/mirror up to approximately 65C (far above the 40C typical POE temperature. The purpose of this study was to evaluate RT to ET shrinkage in a representative sample of contemporary spherical soft contact lenses. The diameters of soft contact lenses are conventionally measured at room temperature (RT), however, all soft lenses shrink when raised to eye temperature (ET).
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