In final visit at postoperative 2nd-year, the BCVA was logMAR 0.613±0.425 in non-COVID period, logMAR 0.668±0.348 in partial LP, and logMAR 0.730±0.368 in complete LP (p=0.612). In both inferior and superior quadrant RD, there was significant difference between baseline and final BCVA ...
Apart from propane and butane, there can be some fractions of propylene and butylene as well. However, the amount of propylene should be less than 5% in order to use it as autogas. To detect leakage easily, manufacturers add a powerful odorant such as ethanethiol. Figure 01: LP Gas Cylinde...