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      Motherhood: What every ophthalmologist needs to know

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          Abstract

          The aim of this review article is to summarize the available literature on physiologic and pathologic ocular changes during pregnancy and the effect of diseases in pregnancy. A literature search was conducted using PUBMED, MEDLINE, and Cochrane library in English. In addition, the cited references in the published articles were manually reviewed for the relevant results. Pregnancy encompasses a multitude of changes in all body systems, including the visual system of the female. The changes can be physiological, i.e., changes occurring in the lids and adnexa, cornea, conjunctiva, changes in tear film composition and intraocular pressure, retina, choroid, and visual field. Pathological changes in a pregnant woman's eye include changes related to preeclampsia and eclampsia, central serous chorioretinopathy, retinal artery or vein occlusions, and disseminated intravascular coagulation. Preexisting diseases like diabetic retinopathy, Graves' disease, idiopathic intracranial hypertension, various inflammatory conditions can undergo changes in their course during pregnancy. Ophthalmic medications can have an effect on both mother and the baby and hence should be used cautiously. In addition, intrauterine infections play a major role in causing inflammation in the eye of the baby. Hence, vaccination of the mother prior to pregnancy plays an important role in preventing intrauterine infections in the neonate. A regular eye examination in the perinatal period plays a vital role in recognizing ophthalmic pathologies which might require a prompt medical intervention. Pathological ocular diseases should be discriminated from physiologic changes to establish an individualized treatment or preventive plan. This approach to ocular benefits of treatment to the mother should always weigh against the potential harm to the fetus.

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          Most cited references72

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          The multifunctional choroid.

          The choroid of the eye is primarily a vascular structure supplying the outer retina. It has several unusual features: It contains large membrane-lined lacunae, which, at least in birds, function as part of the lymphatic drainage of the eye and which can change their volume dramatically, thereby changing the thickness of the choroid as much as four-fold over a few days (much less in primates). It contains non-vascular smooth muscle cells, especially behind the fovea, the contraction of which may thin the choroid, thereby opposing the thickening caused by expansion of the lacunae. It has intrinsic choroidal neurons, also mostly behind the central retina, which may control these muscles and may modulate choroidal blood flow as well. These neurons receive sympathetic, parasympathetic and nitrergic innervation. The choroid has several functions: Its vasculature is the major supply for the outer retina; impairment of the flow of oxygen from choroid to retina may cause Age-Related Macular Degeneration. The choroidal blood flow, which is as great as in any other organ, may also cool and warm the retina. In addition to its vascular functions, the choroid contains secretory cells, probably involved in modulation of vascularization and in growth of the sclera. Finally, the dramatic changes in choroidal thickness move the retina forward and back, bringing the photoreceptors into the plane of focus, a function demonstrated by the thinning of the choroid that occurs when the focal plane is moved back by the wearing of negative lenses, and, conversely, by the thickening that occurs when positive lenses are worn. In addition to focusing the eye, more slowly than accommodation and more quickly than emmetropization, we argue that the choroidal thickness changes also are correlated with changes in the growth of the sclera, and hence of the eye. Because transient increases in choroidal thickness are followed by a prolonged decrease in synthesis of extracellular matrix molecules and a slowing of ocular elongation, and attempts to decouple the choroidal and scleral changes have largely failed, it seems that the thickening of the choroid may be mechanistically linked to the scleral synthesis of macromolecules, and thus may play an important role in the homeostatic control of eye growth, and, consequently, in the etiology of myopia and hyperopia. Copyright 2009 Elsevier Ltd. All rights reserved.
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            Epidemiology of pre-eclampsia and the other hypertensive disorders of pregnancy.

            Hypertensive disorders of pregnancy include chronic hypertension, gestational hypertension, pre-eclampsia and chronic hypertension with superimposed pre-eclampsia. Pre-eclampsia complicates about 3% of pregnancies, and all hypertensive disorders affect about five to 10% of pregnancies. Secular increases in chronic hypertension, gestational hypertension and pre-eclampsia have occurred as a result of changes in maternal characteristics (such as maternal age and pre-pregnancy weight), whereas declines in eclampsia have followed widespread antenatal care and use of prophylactic treatments (such as magnesium sulphate). Determinants of pre-eclampsia rates include a bewildering array of risk and protective factors, including familial factors, sperm exposure, maternal smoking, pre-existing medical conditions (such as hypertension, diabetes mellitus and anti-phospholipid syndrome), and miscellaneous ones such as plurality, older maternal age and obesity. Hypertensive disorders are associated with higher rates of maternal, fetal and infant mortality, and severe morbidity, especially in cases of severe pre-eclampsia, eclampsia and haemolysis, elevated liver enzymes and low platelets syndrome. Copyright © 2011 Elsevier Ltd. All rights reserved.
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              The incidence of central serous chorioretinopathy in Olmsted County, Minnesota, 1980-2002.

              To determine the incidence of central serous chorioretinopathy (CSC) in Olmsted County, Minnesota from 1980 to 2002, determine the associated risk factors for CSC based on previously reported risk factors, investigate for any new risk factors not previously reported, and determine a population-based recurrence rate. Population-based retrospective cohort and case-control study. Cases were all patients with newly diagnosed CSC in Olmsted County Minnesota, from January 1, 1980 through December 31, 2002. Controls were selected from the same general population. Control group 1 patients were matched for age, gender, length of medical follow-up, and index date (corresponding with date of diagnosis for cases). Control group 2 patients were matched for all the same criteria as control group 1, and they had documented normal eye examination results. Using the Rochester Epidemiology Project medical records linkage system, which captures virtually all medical care provided to residents of Olmsted County, Minnesota, we identified all cases of CSC in county residents between 1980 and 2002. We reviewed the entire medical record of cases and applied standardized criteria for CSC. The medical records of cases and controls were reviewed for the presence of risk factors as well. Incidence of CSC. Secondary outcomes were also evaluated. There were 74 cases (63 men, 11 women) of CSC. Mean annual age-adjusted incidences per 100 000 were 9.9 (95% confidence interval [CI], 7.4-12.4) for men and 1.7 (95% CI, 0.7-2.7) for women. The incidence of CSC was approximately 6 times higher in men than in women (P<0.001). There were no significant risk factors identified for CSC. Twenty-three (31%) of the 74 patients with CSC had recurrences. The mean number of recurrences was 1.5 (range, 1-4). Median time from diagnosis to recurrence was 1.3 years (range, 0.4-18.2). The incidence of CSC has not previously been reported in a population-based study. In accordance with previous studies, we found that CSC occurs more frequently in men than in women.
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                Author and article information

                Journal
                Indian J Ophthalmol
                Indian J Ophthalmol
                IJO
                Indian Journal of Ophthalmology
                Wolters Kluwer - Medknow (India )
                0301-4738
                1998-3689
                August 2020
                24 July 2020
                : 68
                : 8
                : 1526-1532
                Affiliations
                [1]Department of Ophthalmology, AIIMS, Jodhpur, Rajasthan, India
                Author notes
                Correspondence to: Dr. Arvind K Morya, Department of Ophthalmology, AIIMS, Jodhpur - 342 005, Rajasthan, India. E-mail: moryaak@ 123456aiimsjodhpur.edu.in
                Article
                IJO-68-1526
                10.4103/ijo.IJO_2033_19
                7640830
                32709768
                8acf7ff3-7f67-47c3-acf4-2cbcfbcb6af8
                Copyright: © 2020 Indian Journal of Ophthalmology

                This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.

                History
                : 13 November 2019
                : 04 January 2020
                : 11 March 2020
                Categories
                Review Article

                Ophthalmology & Optometry
                eye,ocular diseases in pregnancy and infancy,pregnancy
                Ophthalmology & Optometry
                eye, ocular diseases in pregnancy and infancy, pregnancy

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