Complex sentence: Also like the related drugs, latanoprost acid is an analog of prostaglandin F 2α that acts as a selective agonist at the prostaglandin F receptor, increasing outflow of aqueous fluid from the eyes and thus lowering intraocular pressure.
Split into simpler sentences: Also like the related drugs, latanoprost acid is an analog of prostaglandin F 2α that acts as a selective agonist at the prostaglandin F receptor. So, an increase in prostaglandin activity increases outflow of aqueous fluid from the eyes thus lowering intraocular pressure.