MAKE THE CONNECTION A 10-year-old patient\'s distance visual activity was tested

Question

MAKE THE CONNECTION A 10-year-old patient's distance visual activity was tested and determined to be 20/80 Explain what this means: Is 20/80 better or worse than 20/20? Explain. 1. Corneal transplants may be performed with very little risk of transplant rejection by the immune system. Explain. 2. 3. If a vibrating tuning fork is placed on the mastoid process, who would "hear" the sound someone with normal hearing, someone with conduction deafness, or someone with sensorineural deafness? Explain.

Explanation / Answer

Question 1

Answer

The normal people vision is 20/20. it means the person must be at 20 feet distance and normal can see at 20 feet.

20/80 means the test subject must be a distance of 20 feet to see the normal person can see at 80 feet.

The condition 20/20 is normal and 20/80 is worse when compared with normal. here the person can able to see heading only.

Question 2

Answer

Corneal transplantation has lesser transplant rejection. This is due to the lack of blood vessels to the cornea. The lack of blood vessels, an immune system unable to recognize the graft or foreign body.

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