Macular Thickness and Visual Acuity in Diabetic Hypertensive Patients

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 .