A patient Mohan, aged 60 years, needs an eye examination. He needs a drug which will dilate his eyes but not paralyse his ciliary muscles –
Cycloplegics cause paralysis of accommodation and dilate the pupil → Atropine, homatropine, Cyclopentolate.
Only mydriatic (dilate pupil) but no cycloplegia →   Phenylephrine.
Atropine
Phenylephrine
Cyclopentolate
Tropicamide