Inclusion Criteria:  Type 2 diabetic patients with hypertension .  Exclusion Criteria:  Patients with type 1 diabetes mellitus . Ocular disease ( such as high myopia , glaucoma ) . Patients with opacities in the media ( corneal opacities , dense cataract , vitreous hemorrhage ) . Systemic medication (Tamoxifen , Chloroquine , Canthaxanthine ) to avoid its effect on macular thickness . Central visual field defect that prevents fixation on OCT . Intraocular inflammation such as anterior or posterior uveitis . Refractive error greater than 6 diopter .