Cataract surgery for young guiena pig

[kaylaann]

Hi everyone,

I’m reaching out for advice on my 1.5-year-old male guinea pig Sprite. He has developed a full cataract in one eye, and unfortunately, it looks like the other eye is now starting to show early signs of cataract development as well. My vet said this could be due to his genetics.

He is otherwise active and eating normally, but I’m very concerned about how this will affect his quality of life long-term. I’ve spoken to my vet, and we have been prescribed with eye drops to prevent infections. I’d love to hear from others who may have gone through something similar or have experience managing young guinea pigs with vision loss.

A few extra details:

We are moving in October and will be changing the layout of the environment to fit the new room.

He has already been under anesthesia once, when he was neutered.

He is the only male guiena pig, out of my 6 guiena pigs.

I’m nervous about the risks of anesthesia again if surgery or further procedures are needed.

I'm also wondering if there are any supportive treatments or dietary recommendations that could help slow the progression.

If anyone has experience with cataracts in younger guinea pigs—whether it’s medical management, surgery, or making lifestyle adjustments—I’d really appreciate your insight.

Thank you in advance!

 

[VickiA]

I’ve never had a guinea pig with cataracts, but I know that @Wiebke had a group of guinea pigs with cataracts who all lived together happily for several years. From recollection I think the most important thing you can do is to ensure that the cage layout stays the same. I don’t think guinea pigs with cataracts undergo surgery – it’s just a matter of them adapting to life in their condition with reduced or no vision

 

[VickiA]

Also tagging @Merab , whose guinea pig Merab definitely had cataracts and lived quite happily with them in her old age.

 

[Freela]

I've had a couple guinea pigs who developed cataracts... after a brief period of adjustment which basically came down to clumsiness (bumping into things, misjudging the depths of things) they adjusted really well and it was pretty much impossible to tell that they were blind just by watching them navigate their way around. Guinea pigs rely on sight a lot less than humans do and their baseline vision really isn't that great to start with, so they adjust really well to living with cataracts. Honestly, my current not-too-bright but very speedy pig, Dahlia, runs into more things than my blind pigs did, and she sees just fine! LOL!

I'm not sure cataract surgery is possible for guinea pigs because the surgery to correct it for humans involves removing the affected lens and putting in an artificial intraocular lens, and I'm pretty sure no one makes artificial lenses for guinea pigs!

Allowing for some time to get reoriented once the room layout changes, he should do fine based on following sighted companions and following scent trails and after a couple months of adjustment he will manage just fine!

 

[Wiebke]

I’ve never had a guinea pig with cataracts, but I know that @Wiebke had a group of guinea pigs with cataracts who all lived together happily for several years. From recollection I think the most important thing you can do is to ensure that the cage layout stays the same. I don’t think guinea pigs with cataracts undergo surgery – it’s just a matter of them adapting to life in their condition with reduced or no vision

Hi and welcome

Cataracts are usually left alone unless they cause dangerous bleeding/infections deeper in the eye because there is no surgery for guinea pigs to just remove the clouded lens, unlike human routine surgery.
Eye removal surgery (enucleation) is only considered as a last ditch measure if the eye cannot be healed medically or the risks of an uncontrollable infection are too great.
Tips For Post-operative Care

My Meleri needed eye removal surgery (enucleation) due to her extreme cataract after it started leaking protein into the eye which caused some internal bleeding and became rather painful. Thankfully, the overwhelming majority of cataracts doesn't need any intervention.
Meleri fully healed up after her removal op

Here is the thread about her eye removal op:
Please keep your fingers crossed for Meleri's eye removal operation!

One cataract is not so much of a problem; they just don't like to be approached from their blind side. This is something you should keep in mind when handling or grooming her. Create a little warning that is unique in melody so she can brace herself. Be aware that the other eye often goes within weeks or months as well.

However, life with double cataracts is by no means the end of life. Piggies can live a perfectly normal life without sight.

You can actually change the cage layout, but please don't clean any furniture (including water bottle spouts) when you do that.

use scent-marked material if you add more space to a cage or if set it up freshly so it smells 'right' and 'safe' from the start. Guinea pigs are territorial so this recommendation goes for all but scent is even more important for reassurance for piggies who have lost their eyesight - which is thankfully their weakest sense, unlike us humans for who it is their strongest. That is why we constantly underestimate its importance.

Piggies have a much stronger sense of smell than us and follow/orient themselves by scent and scent spoors. Even those with a double cataract can manage a shallower ramp, as long as you cover it with some good grip and scent retaining material.
Here is a view of the ramp I had in my cataract group's cage (which was regularly used by the blind sows with never a problem), plus an indication of their biggest hobby: pulling the lining newspaper out of a freshly made tray.


The two darker of the three sows I adopted because they failed to integrate into the respective residential rescue herd of unrehomable sows but all three sows bonded once they realised that they had the same problem. In the back gentle 'husboar' Terfel, the master diplomat and my main teacher of how savvy and subtle piggies can be in their social interactions.
Tegyd - Mali - Taffy (with husboar Terfel at the back)


Just to show that losing their sight is by far not the end of any fun:
The little tan and black harlequin aby in this guide, my Mischief from pre-forum days is virtually blind with two strong congenital cataracts (one of them technically nuclear sclerosis, which had come on very suddenly in the space of just a week).
Enrichment Ideas for Guinea Pigs

My Mali, aged 6 or 7 years and arthritic by then, even created her own scent loops she followed in her old version of zoomies (racing around). The last new loop she invented was only a few days before she died in old age, around her presumed 8th birthday.
You can find her video in this link here: 'Popcorning' (jumping) and 'zooming' (running) - Joy and exuberance (videos)

Please don't make the mistake of wrapping a blind piggy in cotton. The more you challenge them to extend their abilities, the more normal a life they will lead. The worst time is usually the initial transition period until the other senses compensate and take over brain functions.

It was my blind Mischief, who worked out a way to topple the hay bag, sniff out the opening and go inside for a snack and a nap - incidently giving my mother-in-law and my hub nearly a heart attack by disappearing. She also did it quite a few times when she thought I wasn't watching. Usually I stored the hay bag out of her reach but I allowed her to do it once so I could document it.

Mischief (in the bag) and Minx


I hope that this helps to allay some concerns of yours and settle some persistent misconceptions?

 

[Merab]

Also tagging @Merab , whose guinea pig Merab definitely had cataracts and lived quite happily with them in her old age.

Yes, Merab had cataracts for the last years of her life.
She was still able to live a full life, happily wandering around during floor time and still doing the occasional zoomie.
She did slow down but that was more about her age than the cataracts.

 

[kaylaann]

Thank you all so much for your advice so far! I wanted to include one more tidbit of information that has been weighing the decision: there is a specialty eye doctor where I live who is willing and able to remove the cataracts but, as many of you mentioned, there is no lens small enough to replace them so he would be without lens for the rest of his life. Although the vet has said that, even without the lens, he would see better than what he does now with his cataracts. Again, he is only a baby (1.5 years old) and we are moving in 2 months in which his entire world will change. He does get along with his cage mates but I do think they will bully him a little bit as he loses his sight. So much to consider and my sister and I don't know what to do! We wish our sweet boy could just talk and tell us what he wants

What would you do in our situation? Do you have any other advice?

Thank you all so much!

 

[Viennese Furbabies]

I had a girl that developed a one-sided cataract pretty young (don't remember the exact age but I think she was two-ish). She was completely uneffected.
Another girl developed cataracts on both eyes due to diabetics. She was also quite young, lived in a bigger group and didn't have any problems at all.
One of my boars became blind in his older age. We had to keep a close eye on the state of his eyes but he wasn't disturbed at all.

I don't think that your boy will have troubles adjusting to a new cage layout after your move. As was written above, the sense of sight isn't the strongest sense of guinea pigs. The sense of smell and hearing are much more important. In my experience, a blind guinea pig that lives in a group won't be bullied just for being blind.

Have you ruled out diabetics as a possible cause for the cataracts?

Well, a specialist eye vet will always like to do what's possible. That's his line of work and they usually don't get much owners who are willing to pay for more expensive procedures on guinea pigs. Or the piggies are brought in too late to preform operations that are more standard in bigger animals. My late Chelsea had an emergency op that saved her eye. The eye specialist at the university hospital had been very keen to try this op on a guinea pig and came in the middle of the night though he wasn't on duty. I was very grateful that he came and the operation was a success. But if I would have brought her in the next morning, the damage would have been too severe to save the eye.

Don't get me wrong, I'm sure the vet has the best intention to help your boy but he probably won't tell you, that it's nothing to worry about as he in his professional opinion would go for the same "quality" of treatment that's standard for dogs. Even if it isn't really necessary for a guinea pig to lead a happy life.

I've been going to the specialist vet at the university hospital in Vienna for many years and lately I have noticed that he has changed his opinion on treatments and necessary examinations a lot. He is much more restrained than he used to be and thinks more about what is really necessary, not so much what's possible.
I hope that my words make sense to you.

 

[Wiebke]

Removal of the cataracts lenses was practised in humans for the sake of regaining some degree of sight before the replacement of artificial lenses became possible (that is actually on comparatively recent). Removal of the opaque lens became more common in the 19th (Victorian era) when there was no state pension and social security so people needed to work for as long as they could to support themselves and not become a burden on a lower income family.
But I have never come across before this operation being performed in guinea pigs.

However, there is one issue that you may want to discuss with your vet before you make a decision. Guinea pigs are very prone to hay pokes - romping in the hay is an important enrichment activity.
Usually the stalk, if it perforates the cornea, is stopped in the antechamber by the lens. With that gone, the stalk will more likely penetrate into the eyeball itself, where the (permanent) damage can be much greater and resulting infections are noticeably more difficult to control in our forum experience. This may require removal of the whole eye.

Guinea pigs with handicaps, as long as they can keep up with the group, are usually tolerated and actually supported although they may lose in status if they are unable to hold any higher rank in a group, especially after losing sight in their second eye - there is a huge difference between dominance/losing rank and bullying; although it can look very similar.
Status in a larger group comes with obligations connected to the survival of that group; it's not all about privilege. But being a younger piggy with congenital cataracts, her status should not be very high anyway.
My Taffy, who was (much beloved) second-in-command in the sow hierarchy of a larger group, did experience some of that dominance when her second eye went enough that she became a bit more insecure in her movements. This coincided with the arrival of highly fear-aggressive Tegyd. Taffy was the only one who welcomed her and licked her blind cataract eye. Tegyd adored Taffy from that moment on so I decided to split them from the group. Tegyd even fell in love with gentle Terfel who was delighted about meeting the two sows when I took the two sows for some neutered boar dating to a local rescue. They were later joined by a third widowed cataract sow in a rescue that needed her cage space for an emergency multi-rescue action of lots of neglected piggies. That is how my very closely knit cataract group came to be. They all lived to an old age; Mali (the third sow who was already 5 years old when she came here) even to ca. 8 years.
A - Z of Guinea Pig Behaviours
The Herd, the Group and I: Investigating Guinea Pig Identity and Society

Please also be aware that the possibility of your piggy developing a cataract on the other eye is higher than 50%.

 

[Merab]

In the end the decision is yours.
You have a lot of information and some experience shared.
You can discuss this further with your vet.
Weigh up the pros and cons before making a decision.
I find with a difficult decision that I make a choice and then live with it.
If I feel comfortable after a day or 2 then I go with it.
If I feel uncomfortable then I make a different decision.

Holding you in my thoughts

 

[kaylaann]

Thank you all so much for your help! We are so comforted by your comments and experiences!

 

[Betsy]

The Ever Beautiful Betsy had cataracts and was as blind as a bat. It took her a while to adjust during the "I can see.... oh no I can't" stage but after that she coped very well. Her devoted husboar Cutey Pie Dennis became her guide piggy. She never let not being able to see stop her doing anything. When her husboar toddled off to the Rainbow Bridge, I bonded her with 2 other girls Shy Little Meg and Pretty Patsy and she soon put the others in their place and became top pig.

Sprite will be fine not being able to see. Keep the cage layout the same and he will learn where everything is. He may even rearrange it to suit him.

One thing I did before I picked up Betsy was to tap the ground at her side so that she would know I was there and was about to pick her up that way she wasn't surprised. It took a few times for her to realise what was happening and after that she would either just stay there and let me pick her up or run off like she used to.

 

[Wheekallweek]

My Larry had cataracts by the time he was a year old. He was diabetic and the vet believed this played a part in their development.

One eye did have to be removed due to complications of his diabetes, and he had very limited sight in his other eye but did super well. I find that they can find their way around perfectly with their other senses.

As long as he has some companions with him, and once they've settled in to their new home I'm sure he'll be just fine