I have no idea which vision correction clinic in Gangnam to go to..

I've been thinking about getting vision correction lately, so I'm looking into clinics in Gangnam.

There are just so many options that I don't know where to go, haha.

When I look up reviews for Gangnam vision correction, they all seem decent, but

Many of them feel like advertisements, so I can't really tell the difference.

I've shortlisted a few places in Gangnam to at least get an examination,

so please let me know if you have any recommendations.

I want to do proper research before making a decision,

but I'm being cautious because I'm worried I might regret it if I rush into it. ㅠㅠ