If you do not have eye care solution for your contacts and cannot find other liquids temporarily, you can use eye drops to soak your contacts. The prerequisite is that the eye drops must be clean and not expired, spoiled, or discolored. Observe if the eye drops are within one month of opening, if so they can be used normally, if they are opened for more than one month then it is not recommended. In addition to eye drops, you can also consider using pure water to soak your contacts. Soaking contacts is mainly to keep the lenses moist so that they can be worn normally into the cornea, and you can use contacts normally as long as there is normal fluid when there is no care solution.