BETOPTIC (betaxolol hydrochloride solution/drops). Accessed April 27, 2015 from: http://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=31b9b263-11fd-4495-83dd-ababf0d70e9e
BETOPTIC-S (betaxolol hydrochloride suspension) Accessed April 27, 2015 from: http://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=71659a34-efad-4147-81c7-da10985e9224
Betaxolol ophthalmic. DRUGDEX System. 2015 Truven Health Analytics, Inc. Accessed April 27, 2015 from http://thomsonhc.com.