Listed from most to least common: * > 5–15%: blurred vision, burning and stinging, conjunctival hyperemia, foreign body sensation, itching, increased (brown) pigmentation of the iris (causing heterochromia), punctate epithelial keratopathy * 4%: cold or upper respiratory tract infections, flu-like syndrome * 1–4%: dry eyes, excessive tearing, eye pain, lid crusting, lid edema, lid erythema (hyperemia), lid pain, photophobia * 1–2%: chest pain, allergic skin reactions, arthralgia, back pain, myalgia * < 1 % (only severe or life-threatening effects): asthma, herpes keratitis, iritis, keratitis, retinal artery embolus, retinal detachment, toxic epidermal necrolysis, uveitis, vitreous hemorrhage from diabetic retinopathy *A single case report links<unk>  use to the progression of keratoconus. Research suggests that wiping the eye with an absorbent pad after the administration of eye drops can result in shorter eyelashes and a lesser chance of hyperpigmentation in the eyelid, compared to not wiping off excess fluid. Pregnancy Use in pregnant women is limited due to high incidence of abortion shown in animal experiments. Because of this,<unk>  is classified as risk factor C (adverse events were observed in animal reproduction studies at maternally toxic doses) according to United States Food and Drug Administration's use-in-pregnancy ratings. Drug excretion in breast milk is unknown.
Latanoprost
Travoprost
Carboprost
Iloprost
Bimatoprost
Travoprost/timolol
Bimatoprost/timolol
Bifluranol