I am not the best source of information but I will tell you what I heard:
I called once to Air Canada to ask them about their vision requirement and they told me they have the same than TC. Then, I called TC and they told me that even if there's a miimum written (3.0 dioptry), TC will give you the medical if your vision can be corrected to 100% with glasses.
Read RAC 424.04, (c) Substandard Vision in One Eye at
http://www.tc.gc.ca/CivilAviation/Regse ... htm#424_04
Also, take a loof at
http://www.tc.gc.ca/CivilAviation/Regse ... t42402.htm
lokk the article 1.5 b):
b) the applicant possesses a visual acuity without correction in each eye separately, not less than 6/60 (20/200) and the refractive error falls within the range of ± 3.0 diopters (equivalent spherical error);
(amended 2003/06/01)
I know a captain who's working at Air Canada and he is below these standard.
For the surgery, I heard 6 months without flying... call TC, they will know!