Archived posting to the Leica Users Group, 2013/10/30

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Subject: [Leica] EYES!
From: scottgregory at mac.com (Scott Gregory)
Date: Wed, 30 Oct 2013 19:46:32 -0400
References: <CA+yJO1DQUU-zP2Tk=P70GGESVDRp7RBE0Lwb_ZB-dXLycM-NQw@mail.gmail.com> <FDD00452-3A1F-4A6E-B99E-8BB46F11167E@mac.com> <CA+yJO1C=bB9mKipxiE6kHmO6u8Wb2QKXXnbmjDpkDbRT9Y4L-Q@mail.gmail.com> <3AC1DF1B-561A-4E32-9832-956EA588D925@mac.com> <CA+yJO1Adh5xNyB8uKrvsMV6eotpmfhz2eYaexBEgqYO58=viPg@mail.gmail.com>

Not as good as new but sight was saved and modified somewhat with 
prescriptions for that eye. 
A scary year!
Thanks Tina and good luck with your eyes as well. 
Have a nice time in Italy. 

Scott

> On Oct 30, 2013, at 6:56 PM, Tina Manley <images at comporium.net> wrote:
> 
> I hope he's OK now!  Surgery was one option for this but never seriously
> suggested or considered.
> 
> Thanks,
> 
> Tina
> 
> 
>> On Wed, Oct 30, 2013 at 6:39 PM, Scott Gregory <scottgregory at mac.com> 
>> wrote:
>> 
>> Thanks Tina for the explanation. A fully detached retina is serious that's
>> why I asked. My son had that happen 3 years ago and had to undergo 5
>> surgeries :(
>> Scott
>> 
>>> On Oct 30, 2013, at 4:19 PM, Tina Manley <images at comporium.net> wrote:
>>> 
>>> I'm probably describing it wrong.  It is a membrane which has detached
>> from
>>> the retina.  I saw a specialist about it three years ago and they were
>>> waiting for it to completely detach because there is a danger it will
>> tear
>>> the macula as it detaches.  It's good news that has detached without
>>> tearing.  From Wiki:
>>> 
>>> A *posterior vitreous detachment (PVD)* is a condition of the eye in
>> which
>>> the vitreous membrane <http://en.wikipedia.org/wiki/Vitreous_membrane>
>>> separates
>>> from the retina <http://en.wikipedia.org/wiki/Retina>. It refers to the
>>> separation of the posterior hyaloid membrane from the retina anywhere
>>> posterior to the vitreous base <
>> http://en.wikipedia.org/wiki/Vitreous_base> (a
>>> 3-4mm wide attachment to the ora
>>> serrata<http://en.wikipedia.org/wiki/Ora_serrata>.)
>>> Synchysis: there is associated vitreous liquefaction. Syneresis: there is
>>> collapse of the vitreous due to collection of synchytic fluid between the
>>> posterior hyaloid membrane and the internal limiting membrane of the
>> retina.
>>> 
>>> Broadly speaking, the condition is common for older adults and over 75%
>> of
>>> those over the age of 65 develop it. Although less common among people in
>>> their 40s or 50s, the condition is not rare for those individuals. Some
>>> research has found that the condition is more common among
>>> women.[1]<
>> http://en.wikipedia.org/wiki/Posterior_vitreous_detachment#cite_note-1>
>>> [2] <
>> http://en.wikipedia.org/wiki/Posterior_vitreous_detachment#cite_note-2>
>>> 
>>> The vitreous <http://en.wikipedia.org/wiki/Vitreous_humour>
>> (Latin="glassy")
>>> is a gel which fills the eye <http://en.wikipedia.org/wiki/Human_eye>
>> behind
>>> the lens <http://en.wikipedia.org/wiki/Lens_(anatomy)>. Between it and
>> the
>>> retina <http://en.wikipedia.org/wiki/Retina> is the vitreous
>>> membrane<http://en.wikipedia.org/wiki/Vitreous_membrane>.
>>> Over time the vitreous changes, shrinking and developing pockets of
>>> liquefaction, similar to the way a
>>> gelatin<http://en.wikipedia.org/wiki/Gelatin> dessert
>>> shrinks, or detaches, from the edge of a pan over time. At some stage the
>>> vitreous membrane may peel away from the retina. This is usually a sudden
>>> event, but may also occur slowly over months.
>>> 
>>> Age and refractive error play a role in determining the onset of PVD in a
>>> healthy person. PVD is rare in
>>> emmetropic<http://en.wikipedia.org/wiki/Emmetropic> people
>>> under the age of 40 years, and increases with age to 86% in the 90s.
>>> Several studies have found a broad range of incidence of PVD, from 20% of
>>> autopsy cases to 57% in a more elderly population of patients (average
>> age
>>> was 83.4 years).
>>> 
>>> People with myopia <http://en.wikipedia.org/wiki/Myopia>
>> (nearsightedness)
>>> greater than 6 diopters <http://en.wikipedia.org/wiki/Diopters> are at
>>> higher risk of PVD at all ages. Posterior vitreous detachment does not
>>> directly threaten vision. Even so, it is of increasing interest because
>> the
>>> interaction between the vitreous body and the retina might play a
>> decisive
>>> role in the development of major pathologic vitreoretinal conditions,
>> such
>>> as epiretinal membrane <http://en.wikipedia.org/wiki/Epiretinal_membrane
>>> .
>>> 
>>> 
>>> Probably more than you want to know!
>>> 
>>> 
>>> Tina
>>> 
>>> 
>>>> On Wed, Oct 30, 2013 at 4:08 PM, Scott Gregory <scottgregory at mac.com>
>> wrote:
>>>> 
>>>> Tina I thought a detached retina meant one cannot see??
>>>> 
>>>> Scott
>>>> 
>>>>> On Oct 30, 2013, at 3:58 PM, Tina Manley <images at comporium.net> 
>>>>> wrote:
>>>>> 
>>>>> Great news from the eye doctor!  The reason my glasses don't work any
>>>> more
>>>>> is because they are way too strong.  My eyes have gotten better ;-)  In
>>>>> fact, I can probably do without glasses for focusing my Leica because
>> my
>>>>> left eye only needs -.75 and I think the Leica already has -.5 built
>> in,
>>>>> right?  I'm going to try it anyway.  As soon as the eye drops wear off.
>>>> I
>>>>> can't see anything right now!
>>>>> 
>>>>> The detaching retina which was pulling on the macular part of my eye
>> has
>>>>> completely detached, which is a good thing.  It's not stretching
>> anymore
>>>>> and there is no danger of a hole in the macula.
>>>>> 
>>>>> New glasses on order but won't be ready until after the trip to Italy.
>>>>> 
>>>>> Thanks for all of the advice!
>>>>> 
>>>>> 
>>>>> Tina
>>>>> 
>>>>> --
>>>>> Tina Manley
>>>>> http:// <http://tina-manley.artistwebsites.com/>www.tinamanley.com
>>>>> 
>>>>> _______________________________________________
>>>>> Leica Users Group.
>>>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>>> 
>>>> _______________________________________________
>>>> Leica Users Group.
>>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>> 
>>> 
>>> --
>>> Tina Manley
>>> http:// <http://tina-manley.artistwebsites.com/>www.tinamanley.com
>>> 
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> 
> 
> 
> -- 
> Tina Manley
> http:// <http://tina-manley.artistwebsites.com/>www.tinamanley.com
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


In reply to: Message from images at comporium.net (Tina Manley) ([Leica] EYES!)
Message from scottgregory at mac.com (Scott Gregory) ([Leica] EYES!)
Message from images at comporium.net (Tina Manley) ([Leica] EYES!)
Message from scottgregory at mac.com (Scott Gregory) ([Leica] EYES!)
Message from images at comporium.net (Tina Manley) ([Leica] EYES!)