there has been known the compacts lights to damage chameleon eyes, though the reptisun compact is fairly new, so no "ba results from it yet though its most likely because everyone uses the linear tube floursecent lightbulb, it doesnt have to be a 24"... there are 18" and 36, and 48"...linear tubes have to be changed every 6 months or so, and causes no issues...
repti-sun and repti-glo 5.0 are safe to use, either/or