Five hypothetical scenarios, with corresponding composite ORs, scheduled for right eye phacoemulsification with intraocular lens implantation
| Hypothetical case | Composite OR | |
| A | Woman in her late 70s, nuclear cataract. PMH: glaucoma. Medication: latanoprost 1 drop BE ON. Axial length: 23.68 mm. Pupil size: large. | 1.84 |
| B | Woman in her late 50s, nuclear cataract. PMH: no other ophthalmic or medical history. Medication: nil regular. Axial length: 24.25 mm. Pupil size: large. | 1.0 |
| C | Man in his late 60s, nuclear cataract. PMH: pseudoexfoliation syndrome, hypertension. Medication: amlodipine 5 mg OD, simvastatin 40 mg ON. Axial length: 26.1 mm. Pupil size: medium. | 7.14 |
| D | Man in his early 90s, brunescent cataract, no fundal view. Due to heart disease he is unable to lie flat. PMH: hypertension, benign prostatic hypertrophy, mild left ventricular failure. Medications: atorvastatin 40 mg ON, bisoprolol 7.5 mg OD, doxazosin MR 8 mg OD, ramipril 2.5 mg OD, furosemide 40 mg OD. Axial length: 23.72 mm. Pupil size: large. | 42.79 |
| E | Man in his early 80s, nuclear cataract. PMH: glaucoma. Medication: Lumigan 1 drop BE ON. Axial length: 20.8 mm. Pupil size: large. | 2.63 |
BE, Both eyes; MR, Modified Release; OD, Once a day; ON, Once at night; PMH, Past Medical History.