I just tried to replace them. The only compatible strut I can find is for a Celica All-Trac with the chassis code ST185. The Camry strut is no longer made, and neither is the strut from an ST165 Celica. There are also no after market replacements, in part because KYB who made the Toyota part stopped making them. The Celica All-Trac uses the same rear end configuration and will mount up fine with everything on the car.
These are the parts I used, from a 1991 Celica All-Trac ST185
Note if you do this I feel like the rear end is a tiny, tiny bit lower than the front unloaded, and it may have a slightly reduced capacity for cargo; I know I had about 240 pounds of bagged dirt laid out in the trunk through the cabin and it was visibly lower. The handling of the car may change slightly as well, but I can't judge because I had blown struts to being with, plus I performed other mods at the same time that altered the setup of the rear end. But again, these WILL mount up to your SV25 Camry All-Trac without any need for modification to the car.
Failing that, a shop should be able to use your current struts as a core to custom make a new set as long as they don't have rust damage; they cut the out strut out above the bottom "hat", and mount a new cartridge. However, it probably won't be much cheaper, if it is at all, then getting the Celica struts above.