الفهرس 
Anatomy of the RetinaOnly 14 pages are availabe for public view
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Abstract
Background: High myopia refers to ametropia characterized by elongation of optic axis and retinal and choroidal degeneration in the fundus, and high myopic patients present with various degrees of structural and functional retinal changes and thinning of the retinal thickness. Active screening for high myopic patients with imaging techniques by OCT, Fundus photography and amsler grid and providing patients with corresponding treatment on this basis may effectively reduce the risk of irreversible visual function damage.
Objective: To point to the importance of combining OCT, fundus photography with amsler grid testing in patients with high myopia.
Methods: This study was conducted on 40 eyes from El-Demerdash Hospital outpatient clinic and ophthalmology department investigations unit in the period from June 2021 till May 2022; the patients were 24 females (60.0%) and 16 males (40.0%) with age ranged from 16 to 50 years.
Results: Our investigations gave us an idea about the macular diseases associated with high myopia and the importance of combining use of OCT, fundus imaging and amsler grid with patients with high myopia. These findings consist of chorioretinal atrophy, foveoschisis, choroidal neovascularization, dehiscence of retinal layers known as retinoschisis (foveoschisis or extre foveoschisis), macular holes (lamellar and full thickness), posterior retinal detachment. We can early detect theses changes in macula of highly myopic patients by Amsler grid testing as daily self monitoring and this can be useful in directing the patient to more sophisticated investigation tool like OCT and fundus photography and therefore give the patient the optimal chance to save the vision.
Conclusion: OCT combined with fundus photography and amsler grid testing are helpful tools that allow detailed evaluation of the macula in eyes with pathological myopia and easily anticipate, diagnose and follow up diseases associated with high myopia