Photo: Harvest of wood often results in high density of Simulium fly bites and onchocerciasis in these workers in Esmeraldas province, Ecuador. Wood is too heavy to float, so is tied to large bamboo poles for river transport.

The high cost and brief shelf-life for Natamycin is problematic for many situations.  Itraconazole is sold as capsule and there is no FDA recommendation for use as eyedrop for any disorder. FDA product insert for betadine ophthalmic likewise does not recommend its use for treatment of any disorder; only for pre-op preparation of periocular skin.