Eserine: to stimulate the ciliary muscles in deficient contraction.

Electricity.

Eucaine.

Holocaine.

Hyoscyamus.

Mercury: like Iodide of Potassium.

Operation.

Potassium Iodide: in syphilitic history if one nerve only is paralyzed.

Shade over one Eye: in children to maintain acuity of vision.

Suitable Glasses: to remedy defective vision.