Signs that can be indicative of ocular irritation include redness of the eyes, squinting, ocular discharge / tearing, and / or rubbing at the eyes. (northwestanimaleye.com)
Entropion is a conformational defect resulting in «in - rolling» of one or more of the eyelids, which causes ocular irritation. (cvm.ncsu.edu)
Formulated without parabens, phthalates, petrochemicals, bismuth, talc, synthetic fragrances, or synthetic dyes, this advanced formula has been clinically tested for ocular irritation. (youngliving.com)