Answer to "What are Professionals Using for Screen Cleaning"We use a mix of distilled water and alcohol which is easy to make cheap and works.
Answer to "Is it possible to repair screen with horizonal lines"Unfortunately that is not repairable, you would need to replace the whole screen.
Answer to "Why is my screen like this and how can I fix it?"Unfortunately not, this screen is physically broken inside. You would need to replace the whole screen.