Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
As well, should pilots opt for progressive glasses at CF expense, they would be individually responsible for the costs associated with obtaining bifocal lenses for their flying duties.
While pilots are entitled to wear these progressive glasses off duty, it is not recommended, as the transition from progressive lenses at home to bifocal lenses at work is significant as the human visual system is not able to adapt instantly.