Lumen Packs?

These are mod-packs that improve performance and also add various visual and functionality mods, such as Axiom or Flashback.

Optimization (a)(vf)

Good optimization of the game gives such mods as Sodium, Lithium, ImmediatelyFast, Scalablelux, and others

Functions (vf)

The modpack contains a large number of functional mods, such as Zoomify, which adds a fully customizable zoom to the game, as well as Simple Voice Chat for voice chat in the game, and other mods

Visual (vf)

The package includes visual mods and resource packs such as Authentic Shadows, Eating Animation, Explosive Enhancement, Vanilla-Fresh(b) and other.