Research and development
Pilocarpine improves near vision by correcting the pupils, resulting in an increased ability to focus on nearby objects. 
Eye drops come in many forms and for many indications, such as redness, itchiness, dryness, allergies, dilating drops, glaucoma drops, lubricants, numbing agents, antibiotics, and to lower pressure.
Cariprazine (Vraylar; AbbVie, Gedeon Richter) is indicated as an adjunctive therapy to antidepressants for treating adult patients with major depressive disorder.
Investigators suggest that the Bacille Calmette–Guérin vaccine, which prevented tuberculosis in nonhuman primates infected with SIV, can also protect against HIV.