It is narrated from Hazrat Anas bin Malik (may Allah be pleased with him) that I heard the Prophet (peace and blessings be upon him) say: Allah Almighty says, when a person is tested in the matter of his eyes and he remains patient over it, I will grant him Paradise as a reward.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 12468
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد جيد، خ: 5653