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Updated: Jul 20, 2026

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国家眼科复习课程的面对面和虚拟交付进行比较:混合方法评估

Keya Jafari1,2,3, E Kerr4,5, A Seyed-Safi4,6,7

  • 1Moorfields Eye Hospital NHSFT, London, UK. Keya.jafari@nhs.net.

BMC medical education
|November 28, 2025
PubMed
概括

虚拟修订课程是有效的,与面对面的格式相比,提供了更好的内容清晰度和更广泛的访问. 虚拟环境中的技术增强学习 (TEL) 通过消除地理障碍和增加灵活性,有利于学生.

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Ophthalmic Drug Delivery Systems01:23

Ophthalmic Drug Delivery Systems

Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...