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眼组织对渗透压的变化有较强的耐受性,一般能忍受相当于0.5～1.8%氯化钠浓度的渗透压,渗透压过高或过低均可刺激眼粘膜。因此,药典规定:滴眼剂应与泪液等
Ocular tissue on the change of osmotic pressure are more tolerant, generally able to endure the equivalent of 0.5 ~ 1.8% sodium chloride concentration of osmotic pressure, osmotic pressure can be too high or too low can stimulate the eye mucosa. Therefore, Pharmacopoeia states: eye drops should be with tears and so on