What does it mean that foreign airlines require corrected vision 1.0? If it refers to the vision after wearing glasses, then why is it pointed out in the requirements that contact lenses cannot be wor

What does it mean that foreign airlines require corrected vision 1.0? If it refers to the vision after wearing glasses, then why is it pointed out in the requirements that contact lenses cannot be worn? ... Correcting vision 1.0 means wearing your best glasses can achieve 1.0. Wearing contact lenses is indeed clearer, but FASCO can't do anything about it, perhaps for fairness.

Flight attendant recruitment generally requires the use of C-word tables. This 1.0 is more difficult than the 1.2 in the E-word table. It is suggested to make a prediction in the optical shop first.