Here is a list of units that Blink, do not Blink and Indeterminate separated by categories.
bottom half of Alchemist, Axe, Beast Master, Brewmaster, Bristleback, Centaur, Doom, Dragon Knight, Elder Titan, Huskar, Kunkka, Legion Commander, Lycan, Magnus, Mars, Night Stalker, Pudge, Sand Knig, Slardar, Spirit Breaker, Tidehunter, Timbersaw, Meepo 2, Tiny, Treant, Tusk, Antimage, Bounty Hunter, Drow, Ember Spirit, Lone Druid, Luna, Medusa, Meepo, Mirana, Morphling, Naga, Riki, Slark, Spectre, Templar Assassin, Terrorblade, Troll warlord, Ursa, Vengeful Spirit, Venomancer, Meepo 3, Batrider, Chen, Crystal Maiden, Dark seer, Dark Willow, Dazzle, Disruptor, Enchantress, Kotl, Leshrac, Lich, Lina, Lion, Nature’s Prophet, Necrophos, Meepo 4, Ogre Magi, Puck, Qop of pain, Silencer, Skywrath Mage, Meepo 5, Storm Spirit, Spleen, Warlock, Windranger, Winter Wyvern, Witch Doctor, Zeus, all Brew splits, Visage Familiars (?)
Abaddon, top half of Alchemist, Earth Spirit, Earthshaker, Omniknight, Underlord, Undying, Wraith King, Arc Warden (?), Broodmother, Spirit Bear, Monkey King, Pango, Phantom Assassin, Phantom Lancer, Shadowfiend, Viper, Weaver, Ancient Apparition, Enigma, Grimstroke (?), Invoker, Jakiro, Oracle, Outhouse Decorator, Pugna, Shadow Demon, Shadow Shaman, Visage, Melee Creep, both Necronomicon units, boar, hawk, astral spirit, lycan wolf, tombstone zombie, spiderling, spiderite, Eidolons, Forge Spirit, Nature’s Call treants, Snake wards, all techies mines, ALL jungle camps (some of the portraits are hard to make out so I am making assumptions regarding a couple of these)
Indeterminate (no eyes or hidden eyes):
Chaos Knight, Clockwerk, Io, Phoenix, Sven (?), Bloodseeker, Clinkz, Faceless void, Gyrocopter, Juggernaut, Nyx, Razor, Sniper, Bane, Rubick (?), Squee, Tinker, Catapult, Ranged creep, cogs, tombstone, towers, shrines, ancient, wraith king skeleton, skeleton archer, healing ward, Plague Ward, Swarm bugs, Warlock golem, death ward.
Related Topics: Overwatch Detailed Hitbox Visualization
Entries with a (?) are speculative as it isn’t entirely clear whether the “eyes” are actually representative of a vision granting organ. Kudos to u/ajdeemo.