Visual acuity  

Posted by y. 源

Do you know what is the meaning of 6/6 in the eye test report? I just found out about the answer when I read the Human Performance and Limitations book.

6/6 means that the smallest object that you can see at 6meters can be seen by a normal eye at 6meters. Or "perfect" eyesight.

If it's 6/10 then the smallest object that you can see at 6meters can be seen by a normal eye at 10meters. Obvious indication of short-sightedness, myopia.



There was a time when people wearing specs were not allowed to become pilots. But in today's world, rarely there are people with perfect eyesight. Which is why the rule of allowing pilots to wear specs came into force years back.

I have a batchmate, who did not know about this, went to have LASIK surgery done after he passed his interview two years ago. But when he went for medical checkup, the doctor failed him. Why? Based on medical reasons for pilots, the eyes need to re-adjust against the environment for a year after such surgery is done. Yeah, he needed to wait for a year before he was selected again.


Oh yeah, if your report says 20/20, it's actually the similar, just that the unit is different this time. It's in feet.


Anyway, I had been messing around with the html codes, testing out the best layout and finally decided with this one. Also, I have added the MAS blog here under the link of The Airline. Go have a look if you have the time. Very interesting!

MAS now also allows its staffs (who are not on shift duty) to take part time job.
I am already thinking on becoming a part time private tutor. Hahaha. Pilot+Private Tutor doesn't sound right. But hey, no harm earning more $$!! *ka-ching* ;P

This entry was posted on Thursday, August 07, 2008 and is filed under . You can leave a response and follow any responses to this entry through the Subscribe to: Post Comments (Atom) .

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