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[Soft contactlenses in general practice (author's transl)]
Klinische Monatsblatter Fur Augenheilkunde
|July 1, 1975
Summary
Soft contact lenses offer superior oxygen permeability compared to hard lenses. Proper cleaning and disinfection methods are crucial for maintaining soft lens integrity and wearer comfort.
Area of Science:
- Ophthalmology and Optometry
- Biomaterials Science
Context:
- Soft contact lenses offer enhanced permeability to oxygen and water-soluble substances.
- Unlike hard lenses, soft lenses act as a barrier against high molecular substances, bacteria, and viruses when surfaces are intact.
Purpose:
- To compare spin cast and lathe-turned soft lens production methods.
- To evaluate factors affecting soft lens wear duration, including protein deposits and disinfection techniques.
- To explore therapeutic applications of soft contact lenses.
Summary:
- Soft contact lens wear duration is influenced by tear protein deposits and disinfection methods; daily boiling shortens lifespan, while chemical disinfection can damage corneal cells.
- Proteolytic plant enzyme cleaners show promise for soft lens care.
- Specialized soft lenses (conic outer surface or Duosystem combinations) correct astigmatism, and therapeutic uses include corneal protection, pain relief, and sustained medication delivery for conditions like aseptic keratitis and corneal defects.
Impact:
- Highlights the importance of appropriate disinfection methods for soft contact lens longevity and ocular health.
- Introduces advanced soft lens designs for astigmatism correction.
- Expands understanding of therapeutic soft lens applications in managing corneal conditions.