Compared with other prostaglandin analogs, latanoprost generally causes what level of conjunctival hyperemia?

• A. The least hyperemia
• B. The greatest hyperemia
• C. Moderate hyperemia
• D. No hyperemia

Answer: (A)

Conjunctival hyperemia is a common side effect of prostaglandin analogs used for glaucoma, caused by vasodilation of the conjunctival vessels after FP receptor activation. Among the commonly used prostaglandin analogs, latanoprost typically produces milder redness than other options such as travoprost or bimatoprost. This means it tends to have the least level of conjunctival hyperemia. While some redness can occur with most prostaglandin analogs, latanoprost is generally associated with less pronounced hyperemia, which is why it’s considered the least likely to cause noticeable redness. The other choices describe more pronounced redness or no redness, which are not the typical profiles for these medications.