In CVP analysis, the contribution margin is the dollar amount remaining after deducting variable expenses from sales revenue. The unit contribution margin is the amount that each unit of sold product contributes. In this example, the unit contribution margin is $50 (price of $100 minus variable cost of $50).
Vision Problems in the U.S. estimated the population with glaucoma to be 2.7 million in 2010. This number is estimated to be 2.86 million in 2014, and will increase by nearly 50% to 4.3 million by 2032 and by more than 90% to 5.5 million by 2050.
We looked at the case notes of glaucoma patients who died between 1999 and 2002. These patients had attended the glaucoma clinic at our Ophthalmology Department in Norwich, United Kingdom, and were booked for a follow-up appointment in the glaucoma clinic at time of death.