3. Main uses (Chemical) Name Remarks
Ophthalmoscopy Dilators
(1) Tropicamide
0.5%–1%
(2) Cyclopentolate
1%–2%
(3) Phenylephrine
2.5%–10%
Short acting (6Hr)
Examinatian (blepharosp
asm and tonometry )
Local anaesthetics
(1) Proparacaine
(2) Tetracaine
Not to be used for
pain relief
Staining cornea (1) Fluorescein Use strips Drops may be
contaminated