The proposed protocol is going to study the importance of wide spread of visual functions defined by but not limited to visual perception, visual function, visual exploration, involved in the performance of beach tennis. The investigators intend to examine the basic and important visual function that are required for the better performance in the field. The aim is to assess the efficacy of general training that uses the visual channel as the main one. The investigators suspects the improvement in the visual and motor skills after a predefined 8 weeks of visual training.

Inclusion Criteria:

• experienced beach tennis player
• participants able and willing to participate in the study (including telemedicine supervision during the training phase)
• known and using full spectacles correction or its equivalent in contact lens correction

Exclusion Criteria:

• inability to give an informed consent
• any disease that causes visual opacity that unable to perform visual training
• participant unable to conduct full visual training course of the study