You don't need a cornea fellowship to build a refractive surgery practiceWhat's the definition of better? Popularity? Prestige? Money?Let's say it's money. Cornea can mean a big refractive surgery practice. Glaucoma can mean lifelong follow-up. Both could mean no referrals except for tough cases. Both could mean many referrals.
As far as the poll, why not "other (please specify)"? I specify hedge fund manager or blogger (could be ophthalmology blogger, travel blogger, lifestyle column blogger, etc.).