1-Day Acuvue Moist Multifocal (90 Pack)

90 lenses equal 45 pairs, approximately six weeks of daily full-time wear, or around three months if worn for only three or four days per week. That's why it's usually sold as a three-month supply.

Normally it is cheaper per lens because it comes in the larger box. Makes sense for a confirmed multifocal wearer; in case you are experimenting with this kind of lens, a 30 pack would be better since you can avoid losses in case of changing the fit or ADD.

Yes, it's exactly the same etafilcon A multifocal lens with identical pupil-optimizing optics, 8.7mm base curve and 14.2mm diameter. The difference is only in the quantity.

No. The lens is single use. Put on a new pair in the morning, take off before bedtime and throw away. Don't ever rinse and reuse them, and don't ever sleep in them.

Only with your optometrist's agreement, since the materials and replacement schedules differ. A two-week lens needs daily cleaning and storage, whereas this lens is discarded at the end of each day.