Improving the performance of Jpa image load time

I have an application which has to handle a list of objects (retrieved from the database using JPA) which contain an image serialized. The issue is that when I get around 50 instances of this object stored on the database, it becomes quite slow to load 50 pictures from the database (~5 seconds), which becomes annoying to the user. Is there a way to set this column from the database to a lazy initialization? Or should I create a separate object to carry the image, and reference it using an ID? Thanks for your help.

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