Hi. I'm Dr. Rick and I have two decades of ophthalmology experience. I'm online and happy to answer your question today.
that is a very good question. You should not have to wear a patch for the entire time, but you might wear one the day after the surgery to remove your old lens.
You will be using drop to prevent infection and to help reduce the swelling.
Concerning being able to see after the old intraocular lens is removed, you will be aphakic, meaning your eye will not have any lens in it at all. In order to see clearly when you are apakic you would need a special, high power, contact lens or special aphakic glasses.
Since you are going to have another lens placed in your eye some weeks later, it would not make sense to purchase a special contact lens or glasses.....
As such, while you will be able to see blurry objects, light, dark etc, you will not have useful vision in that eye while you are aphakic.
Does this make sense to you?
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I'm trying to get an idea for planning my work schedule for that between-lens period. Right now I have monovision. The distance vision from that eye is very blurry because it's a near-sighted eye. For example, with that eye open and the other closed, I can see there are trees about 500 yards out, sky above that and a telephone pole sticking up but not much else. Can't see individual trees or anything, just vague shapes. However, with both eyes open (the other is far-sighted) my brain somehow processes it all into a decent 3D image allowing me to drive at night, speak in front of a group, shopping, walking down the street, etc. without glasses. I don't need much of an image from the eye to make that happen and I'm trying to find out is if that same blurry image will come through in a lens-less state.