Comparative study between plus and minus cylinder prescription in astigmatism.Salman KhanArif Hussain
aPre-photorefractive keratectomy refractive error was less than or equal to plus or minus 5.50 (total) diopters in any meridian with less than or equal to plus or minus 3.00 diopters of cylinder and anisometropia less than or equal to 3.50 diopters. Pre-photorefractive keratectomy折射错误是小于或...
ab. Pre-photorefractive keratectomy refractive error was less than or equal to plus or minus 5.50 (total) diopters in any meridian with less than or equal to plus or minus 3.00 diopters of cylinder and anisometropia less than or equal to 3.50 diopters.[translate]...
The mammoth war machine strode swiftly to the trolley and rolled it from the bay with a speed belying its size. Cobb moved to stand next to it. "This is the first and only prototype model of the Prometheus Labs ADC to C converter," he stated proudly. The Shiva stood quietly as Cobb'...
Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT Product Manual December 12, 2000 81-121729-04 Quantum reserves the right to make changes and improvements to its products, without incurring any obligation to incorporate such changes or improvements into units previously sold or shipped. ...
Water softening - by applying minus pole of DC supply to steel tank and plus pole to central magnesium cylinderWater is delimed in a metal storage tank with a central metal cylinder, connected to the positive terminal of a d.c. source. The negative terminal is joined to the tank, which ...