Ethoniosomes (EVs) composed of span 60: CH (7:3) containing 20% (v/v) ethanol and prepared by TFH method was prepared and tested for its irritation potential to the ocular tissue and its in vivo anti-inflammatory activity compared to commercial products. Also, the duration of action of the prepared EVs was determined. In addition to, measurement of the cumulative increase in the IOP for both; the prepared EVs and the conventional formulations. The results showed that, no signs of irritation were observed for either the cornea or the conjunctiva. The ocular anti-inflammatory activity of EVs...