Home About Clinical Trials Frequently Asked Questions Varicose Vein Photographs Examples of Varicose Veins Examples of Spider or Thread Veins Example of Ulcerated Leg Study Brochure Pre-qualification Survey Privacy Statement     Examples of Varicose Veins   Individuals with ONLY spider or thread veins are not eligible for this study.  Individuals with BOTH thread veins and varicose veins may be eligible.