Combining sclerotherapy with surface lasers can address both deeper feeder veins and very fine superficial vessels
https://www.scribd.com/document/1019985575/Can-Sclerotherapy-Cause-Blood-Clots-Understanding-the-Risk-181839
Combining sclerotherapy with surface lasers can address both deeper feeder veins and very fine superficial vessels, maximizing clearance across different vein sizes.