1 If X is a topological (or metric) space and M is a metric space, then the set of all bounded continuous functions from X to M forms a metric space if we define the metric as above: d (f, g) = sup x in X d (f (x), g (x)) for any bounded continuous functions f and g.
Invisalign is orthodontic appliance, so since orthodontic treatment is allowed as an FSA expense, Invisalign is covered. Different companies have different rules concerning amounts set aside and the timing of how funds are used for orthodontics.
Chiropractic is covered by a âstandardâ FSA and not by a limited purpose FSA. A limited purpose FSA can only be used for vision and dental expenses. A standard FSA covers all eligible medical expenses, including chiropractic treatments.