Does anyone know how to freeze eyes so they will be OK to use next year?
I have been given 30 from the local butcher and we are finished doing them for the year so I would like to keep them.
I read somwhere to put them lens side down in a saline solution but I wanted to confirm that with someone before I do it, I didn't want to waste them.
What strength saline solution would be suitable?
Estelle
freezing eyes
- rae
- Posts: 1045
- Joined: 31 May 2006, 10:00
- School: Oxley College
- Suburb: Burradoo
- State/Location: NSW
Re: freezing eyes
Hi!
I would imagine 9% saline would be the right concentration as this is considered "normal" saline and is what is used in hospital situations.
Although saying that I would have thought freezing the eyes would cause the lens to go cloudy and isn't the lenses one of the reason they dissect eyes.
I know our HT likes them as fresh as possible so you can actually see through the lens.The lenses go cloudy the older they are.
Lorrae
I would imagine 9% saline would be the right concentration as this is considered "normal" saline and is what is used in hospital situations.
Although saying that I would have thought freezing the eyes would cause the lens to go cloudy and isn't the lenses one of the reason they dissect eyes.
I know our HT likes them as fresh as possible so you can actually see through the lens.The lenses go cloudy the older they are.
Lorrae
Re: freezing eyes
Hi
we have been freezing our eyeballs for a number of years. We use fish eyes as they are cheaper and easier to get hold of (I remove them from the heads ) We have no trouble with excessively cloudy lenses, but I suppose it depends on what the students are doing with the lenses.
Ours only really look at them.
Diana
we have been freezing our eyeballs for a number of years. We use fish eyes as they are cheaper and easier to get hold of (I remove them from the heads ) We have no trouble with excessively cloudy lenses, but I suppose it depends on what the students are doing with the lenses.
Ours only really look at them.
Diana
- ELIZABETH
- Posts: 233
- Joined: 02 Jun 2006, 10:00
- School: O'Connor Catholic College
- Suburb: Armidale
- State/Location: NSW
Re: freezing eyes
Hi,
Normal saline is 0.9% and I've successfully frozen eyes in this solution (mind you, having read all about freezers going off during the hols.......).
LIZ
Normal saline is 0.9% and I've successfully frozen eyes in this solution (mind you, having read all about freezers going off during the hols.......).
LIZ
- rae
- Posts: 1045
- Joined: 31 May 2006, 10:00
- School: Oxley College
- Suburb: Burradoo
- State/Location: NSW
Re: freezing eyes
Woops !!
I knew the Normal Saline was 0.9%!!
Sorry!!
Lorrae
I knew the Normal Saline was 0.9%!!
Sorry!!
Lorrae
Re: freezing eyes
A 0.9% saline solution does work, you just need to make sure the eyes are fully immersed.
Pat
Pat