Frenzel Goggles

thingiverse

This is a plan for a low-cost traditional Frenzel Goggle used for vestibular evaluation and characterization of nystagmus. Components and cost (CDN) excluding filament: 1) 50mm Diameter, 50mm focal length biconvex lenses x 2: $8.18 https://www.amazon.ca/Ajax-Scientific-Double-Convex-Bi-Convex-Spherical/dp/B00EPQ9SO4/ref=sr_1_fkmr1_1?ie=UTF8&qid=1539403532&sr=8-1-fkmr1&keywords=10mm+biconvex+lenses 2) 4cm width black headband ~$5 3) Button Lamp Adhesive LED's: $4.29 for 2 https://www.amazon.ca/gp/product/B0721NYMJN/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 4) Silicone weather strips, or similar material ~3 dollars unit cost i.e. https://www.amazon.ca/TRIXES-Window-Excluding-Adhesive-Sealing/dp/B00YSKPS3W/ref=sr_1_12_sspa?ie=UTF8&qid=1539404108&sr=8-12-spons&keywords=window+seal+strip&psc=1 ______________________________________________________ Total Component Cost for Fabrication: ~$20.50 Assembly materials required: Contact Cement (Heavy Duty)