My eye doc wrote 2 specific contact lens brands on my scrip - accuvue advance for my left eye, and B&L SL66 Toric for my right eye. My question is, I want to buy online and have noticed some other brands slightly cheaper than the ones he wrote down (this is for a refill, I've worn the ones he wrote down and am fine with their comfort, generally) but would like to try some other brands to see if they may be more comfortable, cheaper, etc.
As long as I match the contact lens dimensions exactly with what he wrote on my scrip (CYL, SPH, Axis, Base, etc.) , is it safe/ok to try different brands without consulting my eye Dr. first and specifically requesting to, or am I stuck with the exact brands he wrote down? I guess my main concern is why did he write those 2 specific brands down instead of just writing down the dimensions alone?
And here's a second slightly related question: trying to dig up all of the matching brands has become quite a hassle online. I was wondering if there is an online search engine or similar that I can just enter my contact lens size/dimensions into and it'll bring back results of only the brands and particular lens that match those exact dimensions? It sure would be an enormous time saver!