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VISION THREAD (other than colour vision)

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VISION THREAD (other than colour vision)

Old 10th Sep 2008, 15:36
  #1081 (permalink)  
 
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They are green. There are also very obvious and fundamental differences between the two items as well. However as you say "in the heat of the moment" it simply becomes another piece in the error chain.
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Old 13th Sep 2008, 20:25
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Pilots with astigmatism & hypermetropia

Hello,

I've a JAA class 1 medical but I'm a little bit worried about my eye sight as I have problems of astigmatism and hypermetropia. With my left eye (the bad one) I've 2.50 dioptres of astigmatism and with correction I can see 8/10 which is above JAA minima of 6/9. What is worring me is that astigmatism (maybe) get worse and therefor visus may reduce below minima. I've talked to opticians and I understood that astigmatism+hypermetropia is a stable condition and vision should remain stable. I've also understood that this refractive error can reduce with ageing (improve?) but I don't understand if this means that visus with spectacles is going to improve?
About the 6/9 vision requirement are they really strict to it for medical renewals? What happens if a pilot along his career drops down to 5/9 in 1 eye?
It may sound like an odd question but I really appreciate to know if there're other pilots out there with the same vision problem and maybe who can tell me something more about this condition or any other kind of information is of course really really appreciated.
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Old 14th Sep 2008, 04:04
  #1083 (permalink)  
 
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From the UK CAA website.

JAR Class 1 (Professional Pilot) Initial Examination Visual Standards
These are the JAR Class 1 visual standards as applied by the UK CAA.

Distance Vision

Your visual acuity (measured by your ability to see, in this case, lines of letters on a chart at 6 metres) must be at least 6/9 in each eye separately and 6/6 using both eyes together, with or without glasses or contact lenses (correction). If you need correction the refractive error (the amount of correction) must not exceed +5.00 dioptres of long sight or -6.00 dioptres of short sight. This is in the most ametropic meridian (taking into account any astigmatism). Astigmatism must not exceed 2.00 dioptres. The difference in correction between each eye (anisometropia) must not be more than 2.00 dioptres. Your optometrist will be able to explain these terms.

However, the renewal limits are significantly higher and with astigmatism and anisometropia above 3 dioptres class one holders require a comprehensive eye examination every 2 years.

You got through the intial which with eye sight is a lot stricter. By the sound of it your optician is confident that your astigmatism will not get worse. Actually your astigmatism is below the level that requires a comprehensive eye examination so I wouldn't worry about it too much. Talk to an AME or an optician but I would suspect that with regular eye check ups etc that you will be fine.

Visual - JAR Class 1 Comprehensive Eye Examinations | Medical | Safety Regulation contains all the renewal info


S

Last edited by Sagey; 14th Sep 2008 at 04:14.
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Old 14th Sep 2008, 07:31
  #1084 (permalink)  
 
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Hello everyone,

I'm having my flight training(CPL) in Australia and I hold a class 1 medical issued by CASA.

My right eye is 6.50 and my left eye is 6.00.

my visual acuity is 6/5 using both eyes, and 6/6 when I'm using only one eye.

My plan is to go back to Turkey(as I'm Turkish) and convert my licence to JAR.

You think my current prescription could cause me a problem there?

btw I've got a class 1 in Turkey 4 years ago before deciding to become a pilot. My prescription was 5.25 for the right eye and 5.00 for the left at the time when I've got through class 1 medical check up in Turkey.

Any opinion is appreciated.

Kerem
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Old 15th Sep 2008, 15:36
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Originally posted by 2close
The chances are that if you do use a BCF extinguisher on board an aircraft with a fire you are going to have some very ill people on board, if not dead...

xxxx

...So I raised the question with said regulator - why are BCF extinguishers still used on aircraft? The answer - (paraphrasing) 'They're lighter and cheaper in terms of weight versus effectiveness.'
Well this is absolutely disgusting. ...Human life vs Cost effectiveness...Its all well and good until one of the bean-counters' relatives are involved in a related incident, God forbid. Surely there must already have been some aviation incidents with this extinguisher if this is still currently used?

------------

Prince William is to become a full time pilot for the RAF SAR...Yes I saw this "Breaking News Flash" on the News earlier.

...Prince William has CVD yes, it's a terrible shame.

...Prince William (and others) apply pressure for him to get into flying.

...Prince William no longer has CVD

Wow, I'll have a glass of whatever that guy was drinking!

As said, fair play to him, I know he'll absolutely love his role(s) and will make a great pilot I bet, and do some fantastic flying. But for the rest of our little Motley crew, it really is rather a lot like having our noses rubbed in it.

LOL To be fair, it's not like we were ever gonna be sat in the waiting room down Dubendorf AMC shooting the **** with him really was it.
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Old 15th Sep 2008, 16:04
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Thanks for posting that "Royalist" link 2close!

Definitley one for the favourites.
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Old 16th Sep 2008, 18:28
  #1087 (permalink)  
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As you'll see from this page yes, the hue does change. If you know this, you're half way to passing.

You could always buy yourself a "revision aid".
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Old 18th Sep 2008, 00:46
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Shunter
Seems to me that the portable Farnworth kit would be a good investment for the budding CVD candidate. If I were starting out again I would start with that.
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Old 19th Sep 2008, 09:11
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NPPL/PPL eyesight.

If I understand correctly, NPPL eyesight standards are higher than PPL, any reason why? ( I can't be a professional lorry driver, but I could pass PPL!)
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Old 20th Sep 2008, 18:28
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Question Astigmatism Class 2 Query

Can anyone please help? - I know the initial limit for astigmatism in a class 2 medical is 3.00. My question is two fold. 1. Is the renewal limit different? 2. Is there an eyesight test in a class 2 renewal. On the med cert it appears to say not. Sorry if this has been covered - I have looked through but could only find class 1 references.
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Old 22nd Sep 2008, 11:27
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To the Australian guys...

I was under the impression that you are able to do a tower signal light gun test in Australia, as a last resort to remove any restrictions on your medical.



Am I incorrect?
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Old 23rd Sep 2008, 13:06
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Imc -cvd?

Does any one know if I can do an IMC if I am restricted to VFR only because of CVD?
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Old 24th Sep 2008, 04:53
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Hi Brakpanner

The answer to your question is yes.

The endorsement on your licence used to be 'VFR flights by day only' and following a review by the CAA the endorsement is now 'flights by day only'

So IMC and IR is possible but only by day.

Hope this helps
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Old 24th Sep 2008, 07:18
  #1094 (permalink)  
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Yes, IFR no problem. I had an IMC rating whilst I still had a restricted Class 2 medical. Do your night qualification dual, get a restricted Class 1, then onwards and upwards to CPL/IR/FI, whatever you like. You can get the whole lot, but you still can't log P1 at night. Pathetic.
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Old 24th Sep 2008, 13:27
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Sacky
Come on down old son, we might be at the ass end of the world but it appears we are leading from the rear on this one.
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Old 25th Sep 2008, 16:16
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Renewal Limits

Is it only me or is there anyone else who doesn't like the wording of the Medical renewal? They seem to be a bit vague and leave a lot to the doctor's discretion.

I'm bang on the -6 dioptre limit on my left eye (-5 on my right) and i've held a class one medical for 3 years. What concerns me is that if i exceed -6, (i'm not expecting anything too dramatic but might go up to something like -6.5) the doc might say i'm out of the game. I'm gonna start working as a flight instructor in a couple of months and therefore by the time i need to do my next renewal i'll have around 600 hours.. will this help?
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Old 25th Sep 2008, 18:38
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For Malta Flyer

I think you should have no problems at the renewal as after the initial examination there is no dioptric limit anymore! Dioptric limit applyies only at the fist time examination.
In my case I was something like 1.50 dioptres o astigmatism when I did my first examination 5 years ago. I did not fly in the meantime and the past year I did my revalidatin with 2.50 dioptres (which exceeds the limit of 2.0 for astigmatism) and I did pass.

JAR Class 1 and 2 medicals | Medical | Safety Regulation

I hope it helps.
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Old 25th Sep 2008, 19:48
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Are you sure you're out of limits? Check the CAA link I posted in the previous post. If it is about your dioptric error then you should be in with +5.00 and +4.50. If you're able to pass a class 1 then i would recomend you to take the examination as early as possible as you may get worse and your actual vision condition which appears to me as borderline become out of limits.
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Old 25th Sep 2008, 20:22
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Vision

I checked those and you're right, i'm borderline although I was told my vision had improved. I still think it would be wise to take it now. Do the same standards apply when renewing?

Sean
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Old 25th Sep 2008, 20:52
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Sacky,

Do your best to find out if there are any practical CV tests offered to remove restrictions from a medical, e.g the light signal test...

No-one answered my question about it so I'll assume the regulars to this thread (the ones that actually post) do not know if the test is offered...

I would investigate it as best you can mate, good luck.
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