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There are restrictions on blood donation for high myopia with fundus lesions in the health examination standards of blood donors.

For high myopia with fundus lesions, blood donation may lead to the deterioration of fundus lesions due to blood pressure changes and other factors. In order to prevent damage to the health of blood donors, it is necessary to limit blood donation to people with high myopia with fundus lesions.

gbyte

18467-200 1 requirements for health examination of blood donors;

4.5

One of the following circumstances cannot donate blood:

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4.5. 19

Patients with ocular diseases such as keratitis, optic neuritis and high myopia with fundus changes.

Simply put, if the degree of myopia is above 800 degrees (or 600 degrees), blood donation is generally not recommended.

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There's another one:

/question/72768288.html

Please refer to your own situation.