Anti-Fatigue Lens => usually recommended for people in their early to late 30s to help relax their eyes when they see near for a long period of time. The near boost comes in +0.50, +0.62, +0.75, +0.87, +1.00. Value of boost is dependent on the prescription and age
Digital Lens => Same as Anti-fatigue. Some brands just name it differently. These lenses usually incorporate Blue Block/Absorb technologies in it.
Progressive lens => Recommended for people when they start seeing blur at near & have some form of "Degree" @ distance (More than +/-1.00 Ds). Addition starts from +1.25.
Office lens => Recommended for people when they start seeing blur at near + intermediate & have relatively low or no Degree @ distance OR If they have Degree @ distance but reading Addition is more than +2.00
Quite alot of information to digest
Hope that answers your question
Thanks so much for the clear explanation. Appreciated!