The present invention refers to a Laser therapy system for treatment of a sclera/conjunctiva (21) of an eye, comprising:a dispenser (1) for a photosensitizer agenta 3D imaging unit (2)an image processing unit (9) being adapted to recognize the collagen tissue structure and to determine a thickness (36) thereofa UVA light source (3) being adapted to a crosslinking of the collagen tissuee) a second Laser light source being adapted to be absorbed mainly by varicose blood vesselsan optical system (5) for deflecting and focusing the UVA light and the second Laser light on a focus point (13) within the sclera/conjunctivaa processing and control unit (10) being adapted to determine a target thickness (37) and a thickness deviation (38)a 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 (37) is achieved.
