5 Key Takeaways
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1
Oxygen delivery and tear exchange are essential for corneal health during scleral lens wear.
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2
Fenestrations and back surface channels enhance corneal oxygen transmission and aid tear exchange.
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3
The design of scleral lenses can include channels to improve tear exchange and reduce suction.
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4
Evidence on the efficacy of fenestrations and channels for corneal health is mixed.
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5
Fenestrated scleral lenses may alleviate complications from corneal hypoxia and improve lens handling.
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