Final answer:
Calcium channel blockers are associated with transient myopia as a rare side effect.
Step-by-step explanation:
The class of drugs associated with transient myopia is Calcium channel blockers. Calcium channel blockers work by blocking the entry of calcium into the smooth muscle cells of the blood vessels, causing them to relax and widen. While transient myopia is a rare side effect, it has been reported in some individuals taking calcium channel blockers. It is important to consult with a healthcare professional if you experience any unusual symptoms while taking this medication.