The present invention refers to a Laser therapy system and a method for treatment of a sclera/conjunctiva of an eye, comprising:a dispenser for a photosensitizer agenta 3D imaging unitan image processing unit being adapted to recognize the collagen tissue structure and to determine a thickness thereofa UVA light source being adapted to a crosslinking of the collagen tissuea second Laser light source being adapted to be absorbed mainly by varicose blood vesselsan optical system for deflecting and focusing the UVA light and the second Laser light on a focus point within the sclera/conjunctivaa processing and control unit being adapted to determinea target thickness and a thickness deviationa pattern for an application of the UVA light energya UVA light energy to effect a growth of the collagen tissue structure until the target thickness is achieved.
