👁️↕️💧

#anterior chamber depth #acd #eye measurement #aqueous humor #ophthalmology

👁️📏

#eye measurement #refraction test #vision test #optical measurement #eye power

⛰️　🤏

#distance estimation #judging distance #visual estimation #eye measurement #far away #scaling

👁️>•

#eye scale #big versus small #visual contrast #greater than symbol #eye measurement #relative size

👀▲📐

#eye triangle shape #geometric eye #visual geometry #triangle vision #looking at triangle #eye measurement