Blurred Vision

Blurred Vision

1. Visual pathway

   • Retina
     • Optic nerve
       • Optic chiasma
         • Optic tract
           • Lateral geniculate body
             • Optic radiation
               • Primary visual cortex (area 17)

2. Blurry Vision DDx

   • Myopia
     • Hyperopia
       • Astigmatisim
         • pregnancy
           • Dry eyes
             • Allergy
               • Floaters

3. Glaucoma

   • neuro-retinal rim thinning
     • enlarging of the cup
       • INC IOP
         • SYMPTOMS
           • headache
             • distorted vision
               • Eye redness
                 • severe eye pain
                   • vomiting
                     • halos around lights
   • Signs
     • DEC visual acuity
       • acute red eye
         • hazy cornea
           • high IOP
             • celluler reaction in ant chamber
               • vertically oval & mid dilated pupil
   • Types
     • Open angle
       • Closed angle
         • Normal-Tension Glaucoma
           • Congenital Glaucoma
             • Secondary Glaucoma
               • Traumatic Glaucoma
   • Pathophysiology
     • Treatment
       • DEC AQUEOUS HUMOR PRODUCTION
         • β-adrenergic blockers
           • α2 agonists
             • Carbonic anhydrase inhibitors
               • INC AQUEOUS HUMOR OUTFLOW
                 • Prostaglandins
                   • Parasympathomimetics
       • Investigations
         • Tonometry
           • Ophthalmoscopy
             • Perimetry
               • Gonioscopy
                 • Pachymetry

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