Difference in Contact Lenses

[MandaCope]

Since cataract surgery left me with anisometropia I have managed with a distance contact lens in my unoperated eye.  I was really happy with my monovision but couldn't tolerate the lens for long enough and got blurry vision and a dry, sore eye by evening.

On the helpful advice of Jodie on this forum I enquired about different lenses and (over the phone) was told that my opticians would order me a trial of some 14 hour ones as mine were only meant to be worn for maximum of 8 hours and I'd been overdoing it.

They gave me a free trial sample box of 5 lenses which are called CibaVision Dailies AquaComfort Plus.  I thought this would be the answer to my prayers but although they're the same prescription as the others, my distance vision isn't as sharp or clear!!  I don't understand this.  Can you think of any reason why this should be?

I also find them much more difficult to manage.  They seem to collapse on my finger whichever way I hold them making me think it's inside out, yet when I try them the other way they collapse just the same!!  They don't seem to adhere to my eye easily either and I've wasted one of the 5 because I dropped it due to fiddling about trying to get it in.

So now I'm really not sure what to do.  Is there a logical explanation why I feel I'm not seeing so well with these ones?  

[MandaCope]

Thankyou for your quick response and helpful information.  I now understand better and can discuss with my eye doctor what my other options are.

[Ray T Oyakawa, MD]

You need to discuss this with your eye doctor.  Different contact lenses fit differently resulting in different vision.  Also, too flimsy a contact lens may not correct a small amount of astigmatism.

Dr. O.