Comparison Mydriasis by Mydrane With Topical Drop Application

Inclusion Criteria: * Male and female patients between the age of 50 to 100 years * Day-hospital and inpatient care * Clinically significant opacity of the lens with indication for cataract surgery on both eyes * Lack of previous ophthalmic surgeries * Lack of relevant ophthalmic conditions: Pseudoexfoliation syndrome, eye injuries, present inflammation (in terms of uveitis, endophthalmitis and iridocyclitis), restricted mydriasis (pupil diameter below 7mm after application of tropicamide 0.38% and phenylephrine HCL 2.5% - at preoperative examination), elevated intraocular pressure, alpha-receptor inhibitor intake (e.g. tamsulosin) due to impeded mydriasis Exclusion Criteria: * Allergic to phenylephrine, tropicamide, sodium metabisulfite, disodium edetate, sodium hydroxide, hydrochloric acid, lidocaine hydrochloride, sodium chloride, disodium phosphate dodecahydrate, disodium phosphate dihydrate * Allergic to anesthesia (amide type) * Allergic to atropine derivates * Heart disease, tachycardia, hypertensive crises * Aneurism of big vessels * Untreated hyperthyroidism * Untreated closed angle glaucoma and narrow angles with tendencies to glaucoma by intake of mydriatic drugs * Pregnancy, breast feeding and premenopausal women