Dissecting Microscope Versus Magnifying Loupes with Transillumination in the Preparation of Follicular Unit Grafts

    August 1998 in “ Dermatologic Surgery ”
    Robert Bernstein, William R. Rassman
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    TLDR Dissecting microscopes give more and better quality hair grafts than magnifying loupes.
    In a study from 1998 involving 41 patients, the use of dissecting microscopes for preparing follicular unit grafts was compared to magnifying loupes with transillumination. The results indicated that the dissecting microscope technique yielded 10% more follicular units and 17% more total hairs than the magnifying loupes. Additionally, the average number of hairs per implant was higher with the microscope (2.28) compared to the loupes (2.14), and there were fewer hair fragments in discarded tissue. Although initially the microscopic dissection took longer, the time required decreased with experience to only 25% longer than the loupes. The study concluded that dissecting microscopes significantly increase the yield and quality of grafts, which is crucial due to the limited availability of donor hair in restoration procedures.
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