Table 2

Relative advantages and disadvantages of four families of antiglaucoma agents as first line monotherapies

β BlockersBrimonidineLatanoprostTopical CAIs
CAIs = carbonic anhydrase inhibitors
Efficacy, cost, convenience, and tolerability:
    IOP reduction efficacy for most+++++ – ++++++++ – ++
20–25%20–25%25–30%15–20%
    Cost+++++++++
    Instillation frequency1–2 times daily2–3 times daily1 times daily2–3 times daily
    Topical tolerability++++++++ – +++
Topical/local effects:
    Topical allergies+/−+++/−+/−
    Preservative free preparations availableYesNoNoNo
    Conjunctival hyperaemia+/−+ to +++ to ++++/−
    Hypertrichosis+ to ++++
    Iris darkening0 to +++
Systemic effects:
    Bradyarrhythmias/hypotension+++
    Bronchoconstriction+++
    Elevated serum lipids++
    Increased falls in the elderly++
    Apnoea in infants+/−+++
    Drowsiness/anergy/fatigue++ to ++++/−
    Dry mouth+ to +++
    Uveitis/CMO0 to ++
    Enhancement of herpetic keratopathy0 to ++
    Corneal oedema0 to ++