Eevee Lens: Displays EVs
Ivy Lens: Displays IVs
Dexter Lens: PokéDex lore
...and so on for types, strengths, weaknesses, gender, ability, nature, biomes, spawn conditions, egg group, etc.
From here, they could be combined into either a specialized pair of Trainer Glasses or headgear with only two pieces of info or added to modular PokéShades and/or helmets and hats like "enchantments" so the player can customize the information they see when looking at a Pokémon.
Gender + Egg Group = Pokémon Breeder's Glasses
Lore + Type = Professor's Spectacles
IV + EV = Champion's Sunglasses
Strength + Weakness = Challenger's Hat
Biome + Spawn Conditions = Safari Binoculars
HP + Status Effects = Nurse's Cap