Identifiable mechanisms (ie, secondary open-angle glaucomas) are not present. [msdmanuals.com]

• Nausea

  […] inhibition; can cause cataracts and retinal detachment; should be avoided in angle-closure glaucoma because of the extreme miosis; hinders dark adaptation Systemic effects (eg, sweating, headache, tremor, excess saliva production, diarrhea, abdominal cramps, nausea [msdmanuals.com]

• Headache

  […] miosis, increases aqueous outflow Very long acting: Irreversible inhibition; can cause cataracts and retinal detachment; should be avoided in angle-closure glaucoma because of the extreme miosis; hinders dark adaptation Systemic effects (eg, sweating, headache [msdmanuals.com]

Begin treatment with topical drugs (eg, prostaglandin analogs such as latanoprost or tafluprost, beta-blockers such as timolol). Consider surgical treatment if drugs are not effective or if visual loss is severe. Click here for Patient Education [msdmanuals.com]

Begin treatment with topical drugs (eg, prostaglandin analogs such as latanoprost or tafluprost, beta-blockers such as timolol). Consider surgical treatment if drugs are not effective or if visual loss is severe. [merckmanuals.com]

The goal is to prevent further optic nerve and visual field damage by lowering IOP. The target level is 20 to 40% below pretreatment readings or the IOP at which damage is known to have occurred. [msdmanuals.com]