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1 Department of Ophthalmology, Unidade Local de Saúde de Santa Maria, Lisbon, Portugal; Centro de Estudos das Ciências da Visão, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal.
2 Department of Ophthalmology, Unidade Local de Saúde do Arco Ribeirinho, Barreiro, Portugal; Department of Ophthalmology, Instituto de Retina de Lisboa, Lisbon, Portugal.
1 Department of Ophthalmology, Unidade Local de Saúde de Santa Maria, Lisbon, Portugal; Centro de Estudos das Ciências da Visão, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal.
2 Department of Ophthalmology, Unidade Local de Saúde do Arco Ribeirinho, Barreiro, Portugal; Department of Ophthalmology, Instituto de Retina de Lisboa, Lisbon, Portugal.