| 摘要 |
<p>A novel composition for preserving a soft contactlens is provided, which consists basically of sodium chloride, boric acid and borax, which is so formulated as to be in the proportion of about 0.4 - about 0.8 (preferably 0.55-0.65) w/v% of Nacl and about 0.3 - about 1.0 (preferably 0.5-0.6 w/v% in total of the latter two, when the composition is dissolved in a prescribed amount of pure water. The present composition having preferably EDTA (disodium salt) and optionally an antiseptic, a buffer agent, etc. in addition to the above 3 ingredients is more useiul for providing a soft contactlens preservative solution than those conventional in causing no change in soft contacelens parameter as well as having no toxicity nor stimulation to the eyes. Especially the granular form of the present composition is convenient since it is readily soluble in water as compared with the tablet form.</p> |
