Method for treating ophthalmic lenses
a technology for ophthalmic lenses and treatment agents, which is applied in the field of treatment methods for ophthalmic lenses, can solve the problems of un uniform coating of the lens surface with the treatment agent, and achieve the effect of reducing the handling steps and the accompanying costs
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first embodiment
[0080]FIGS. 1 to 4 illustrate a blister package. Package 1 includes a substrate 3 including recess 2 formed therein, recess 2 sized and configured to hold an individual contact lens 5 therein. In the illustrated embodiment, recess 2 is a concave recess with a flat bottom 6. Bottom 6 includes three parallel, longitudinal ridges 7 thereon. Ridges 7 preferably have a height of at least 0.2 mm, more preferably at least 0.4 mm. As seen in FIG. 4, the anterior surface of contact lens 5 rests on at least one of ridges 7 when the package is oriented as in FIG. 4. Without these ridges, the anterior lens surface would rest on flat bottom 6, which could lead to non-uniform coating of the contact lens, especially this anterior surface of the lens.
[0081]After contacting the contact lens with the treatment agent solution, contact lens 5 is contained in recess 2 and immersed in solution. Recess 2 is then sealed with lidstock, i.e., by sealing the lidstock with heat to raised surface 9. The package...
second embodiment
[0082]FIG. 5 illustrates a blister package. Package 11 includes a substrate 13 including recess 12 formed therein. In this illustrated embodiment, recess 12 has a somewhat oval-shaped flat bottom 16, and the bottom includes four longitudinal ridges 17 thereon.
third embodiment
[0083]FIGS. 6 and 7 illustrates a blister package. Package 21 includes a substrate 23 including recess 22 formed therein. In this illustrated embodiment, recess 22 is a concave recess, i.e., a rounded bowl shape. The bottom includes five parallel, longitudinal ridges 27 thereon.
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