Dissolvable collagen punctal inserts. A cost effective way to evaluate the benefits of permanent punctal occlusion. Eagle Vision dissolvable punctal/canalicular collagen inserts can be used as a cost-effective way to evaluate the benefits of permanent punctal occlusion. The collagen inserts are effective for 3-5 days and dissolve completely in approximately 7-10 days. This product has a 5-year shelf life. Supplied 6 inserts per sterile pack, 10 packs per box.