You Tube Videos by DivePsych

Ten Ways to Equalize Middle Ear Pressure Naturally - 2014 (43:29)

Presentation given in January 2014 at C.I.E.E. Research Station on Bonaire by Dr. David F. Colvard.

Sinus Rinse/Irrigation for Scuba Divers - 2015 (3:09)

Dr. David Colvard demonstrates the use of high volume, positive pressure, buffered saline nasal-sinus irrigation using Sinus Rinse by NeilMed Pharmaceuticals, Inc. He has been a medical consultant to the company,

Garden Eels Slowly Emerge off the coast of Saba captured by David Colvard using an Intova Sport II HD in June 2014 from the Caribbean Explorer II on a WCSDO scuba-mission trip.

This large green moray eel allowed my Intova Sport HD II and Intovatec movie light to get really close and personal on a reef just north of Tori's Reef in the Bonaire Marine Park on ‎Monday, ‎January ‎13, ‎2014 on Bonaire.

Dance of the Smooth Honeycomb Trunkfish Pair (2:14)

This pair of smooth honeycomb trunkfish whirl in a dance on a reef in the Bonaire Marine Park in January 2014. Video was shot with an Intova Sport HD II and an Intovatec movie light.