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Ocular Surgical Pathologies in Children Aged 0 to 15 Years in the Bartimée Ophthalmological Clinic in Conakry, Guinea

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Open Journal of Pathology 2022年第4期12卷 120-129页

作者： Maxime Dantouma Sovogui Christophe Zoumanigui M’mah Aminata Bangoura Mössö Sevogui kokou vonor Faculty of Health Sciences and Techniques University of Conakry Conakry Guinea Bartimée Ophthalmological Clinic Conakry Guinea Pediatrics Department of the Donka National Hospital Conakry Guinea KARA Regional Hospital Center in Togo Kara Togo

Context: Childhood eye health is a real public health problem in our context, the consequences of which go beyond vision, affecting education, social participation and future economic productivity. The aim was to study the frequency of ocular surgical pathologies in children aged 0 to 15 years. Patients and Methodius: This study covered a 4 years period from January 1, 2016 to December 31, 2020. It was a retrospective study of a descriptive and analytical nature. It concerned all children aged 0 to 15 who had undergone surgery for ocular pathology during the study period and who were included in the operating room register. Results: Out of 4974 patients of all ages operated for ocular surgical pathology, 124 were children aged 0 to 15 years or 2.49%. The 9 - 12 age group was the most represented with 29.03%;the mean age was 7.3 years ± 4.6 with extremes of 3 months and 15 years. A male predominance was observed at 62.90%. Pathologies of the lens, cataract and eyelids, traumatic edema represented the most frequent eye conditions in our patients with respectively 51 cases or 41.13% in the right eye (OD), 54 cases or 53.55% in the left eye (OG) and 14 cases or 11.29% in OD and OG followed by endemic limboconjunctivitis of the tropics (LCET), 10 cases or 3.23%, in OD and hemorrhage under conjunctival 13 cases or 10.48% in OG. Cataract surgery with the Technique Manuel Small Incision Cataract Surgery + Implantation in the posterior chamber (MSICS + ICP) was the most used in 74% of cases. General anesthesia was the most widely used anesthetic method in 100% of cases. The clinical course was favorable at 45.97%. Conclusion: We note a relatively low hospital frequency of ocular surgical pathologies in children, with a male predominance. The early consultation period and the improvement of the technical platform could improve their management.

关键词： Surgeries Conakry Children Guinea Eyepieces

Diagnosis of Large Papillary Excavations in Developing Countries: From Automated Visual Field to OCT of the Ganglion Complex. About a Case

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Open Journal of Ophthalmology 2021年第2期11卷 143-151页

作者： kokou Messan Amedome Kassoula Batomaguéla Nonon Saa Kossi Dzidzinyo kokou vonor Nidain Maneh Koffi Didier Ayena Komi Balo Centre Hospitalier Universitaire de Kara Kara Togo Centre Hospitalier Universitaire Sylvanus Olympio de Lomé Lomé Togo Centre Hospitalier Régional de Kara Tomdè Kara Togo Centre Hospitalier Universitaire Campus de Lomé Lomé Togo Hô pital de Bè Lomé Lomé Togo

Background: Large papillary excavations constitute a true differential diagnosis of glaucoma in our environments. Aim: To present a clinical case of large papillary excavation simulating glaucomatous optic neuropathy in a young subject. Case Presentation: The ophthalmologic examination made it possible to note a visual acuity of LogMar 0.00, ocular hypertonia and a large papillary excavation in both eyes. The visual field noted bilateral perimetric involvement suggesting optic neuropathy. Optical coherence tomography (OCT) of the ganglion complex revealed an absence of involvement of the ganglion complex and the ganglion ridge essential to evoke optic neuropathy. An ocular hypotonizing treatment made it possible to normalize the intraocular pressure. Conclusion: The particularity of this observation lies in the fact that the perimeter involvement that preceded any involvement can simulate a glaucomatous involvement. Functional damage to the visual field must be correlated with structural damage to suggest glaucomatous damage in our ophthalmic patients.

关键词： Large Excavation Optic Neuropathy Glaucoma OCT Kara

Place of Ocular Ultrasound in the Diagnosis of Optic Disc Druses in Developing Countries: About a Case and Review of the Literature

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Open Journal of Ophthalmology 2021年第4期11卷 325-331页

作者： kokou Messan Amedome kokou vonor Codjo Rodrigue Abel Assavédo Nidain Maneh Massaga Dagbe Kossi Dzidzinyo Koffi Didier Ayéna Komi Balo Centre Hospitalier Universitaire de Kara Kara Togo Centre Hospitalier Régional de Kara Tomdè Kara Togo Centre Hospitalier Départemental Borgou-Alibori Parakou Benin Centre Hospitalier Universitaire Campus de Lomé Lomé Togo Centre Hospitalier Universitaire Sylvanus Olympio de Lomé Lomé Togo Hô pital Secondaire de Bè Lomé Togo

Background: Druses of the papilla constitute abnormal deposits of calcified hyaline material at the level of the head of the optic nerve. They can be superficial or deep. Aim: The aim of this study is to show the utility of ocular ultrasound in ophthalmology in underdeveloped countries for the characterization of optic disc druse. Case Presentation: Our study relates to a clinical observation of buried papillary druses diagnosed by ocular ultrasound. The ophthalmologic examination revealed an aspect of false papillary edema in the fundus. The ocular ultrasound revealed hyperechogenic deposits buried in the papillary margins, which suggests the deep papillary druses. Conclusion: Ocular ultrasound still has a prominent place in the diagnosis of certain eye conditions despite the new sophisticated means available to ophthalmology to date.

关键词： Ultrasound Druses Hyperechoic Globe

Epidemiological, Clinical and Therapeutic Aspects of Childhood Eye Diseases at the Prefectural Hospital of Macenta in Guinea

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Open Journal of Ophthalmology 2023年第4期13卷 352-359页

作者： Maxime Dantouma Sovogui Christophe Zoumanigui M’mah Aminata Bangoura Balla Sovogui Mössö Sevogui kokou vonor Faculty of Health Sciences and Techniques University of Conakry Conakry Republic of Guinea Bartimee Ophthalmological Clinic Conakry Republic of Guinea Pediatrics Department of the Donka National Hospital Conakry Republic of Guinea Prefectural Hospital of Macenta Macenta Republic of Guinea KARA Regional Hospital Center Kara Togo

Introduction: Eye health in children is a real public health problem in developing countries. The aim of this work was to determine the frequency of ocular pathologies in children aged 0 to 16 at the prefectural hospital of Macenta in Guinea. Patients and Method: This was a descriptive prospective study. It covered a period of 6 months from October 1 to March 31, 2022 at the prefectural hospital of Macenta in Guinea. Children aged 0 to 16 received during the study period were included. Were excluded, those with an incomplete file and whose parents did not consent. Results: Out of 1816 consultations, 224 children aged 0 to 16 were collected 7.95%;mean age 7.35 years ± 4.6;sex ratio 1.38. The age group of 6 to 11 years was more represented. More than half of the patients were educated 50.4% and came from rural areas 52.7%. Pathologies of the orbit were dominated by orbital cellulitis 13% and those of the annexes by conjunctivitis 40.6%. Keratitis and cataracts were pathologies dominating the cornea and the lens, respectively 5.4% and 8.5%. Atrophy of the eyeball was the most frequent among those of the eyeball, at 3.6%. The most performed surgical procedure was phacophagy in 6.7%. The most common reason for consultation was eye pain, at 33.5%. Both eyes were affected at the same time in the majority 49.5%, and the most represented antecedent was malaria 22.3% of cases. Visual acuity without correction ≥ 3/10 was the most represented 37.5% in the right eye and 34.8% in the left eye. The therapeutic classes used were dominated by antibiotic-corticoid combinations 88.8%. Conclusion: Ocular pathologies in children from 0 to 16 years old constitute a real public health problem. They are dominated by pathologies of the conjunctiva and the lens. Popularization for early management of ophthalmological pathologies would be beneficial. .

关键词： Ocular Pathologies Children Macenta Guinea

Retinal Damage of Hemoglobinopathies in Adults: About 181 Cases in Campus-Teaching Hospital of Lomé

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Open Journal of Ophthalmology 2017年第3期7卷 153-157页

作者： Nidain Maneh Koffi Didier Ayena Kossi Brice Dzidzinyo kokou vonor Komi Patrice Balo Faculty of Health Sciences University of Lomé Lomé Togo Eye Department of Teaching Hospital Campus of Lomé Togo

Aims: To study the frequency of sickle cell retinopathy and its severity. Material and Methods: Retrospective study over a period of 3 years (July 2013 thru June 2016) of cases of adults over 18 years old sent by the Hematology Department of the Campus-Teaching Hospital of Lomé in the context of a sickle-cell disease check-up. The parameters studied were age, sex, genotype, examination of the fundus by the Goldmann lens. The classi-fication after the fundus was in non-proliferative retinopathy and in 5 proliferative stages according to Goldberg’s classification. Results: Hundred and eighty-one patients were included with an average age of 29.39 ± 9.84. The sex ratio was 0.72 in favor of female. The SC genotype was 50.3%;SS 37.6%;CC 11% and SF 1.1%. Sickle cell retinopathy was found in 22.7% of patients, among which 14.4% were proliferative and 8.3% non-proliferative. Seventy-three percent of patients with proliferative retinopathy were SC genotype, 23% SS and 3% CC genotype. Among SC patients, 20.9% had proliferative retinopathy;8.8% SS;and 5% CC. Fifty percent of patients with proliferative retinopathy had Goldberg’s stage ≥ 3. Conclusion: We found 22.7% of sickle cell retinopathy which proliferative form was strongly represented by the SC genotype.

关键词： Hemoglobinopathy Sickle Cell Retinopathy Adult Lomé

Knowledge, Attitudes and Practices of Health Care Staff about Glaucoma in Lomé

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Open Journal of Ophthalmology 2021年第2期11卷 163-175页

作者： Messan kokou Amedome Yao Ako Patrick Mensah kokou vonor Nidain Maneh Kossi Dzidzinyo Kassoula Batomaguéla Nonon Saa Koffi Didier Ayena Komi Balo Centre Hospitalier Universitaire de Kara Kara Togo Hô pital de Bè Lomé Lomé Togo Centre Hospitalier Régional de Kara-Tomdè Kara Togo Centre Hospitalier Universitaire Campus de Lomé Lomé Togo Centre Hospitalier Universitaire Sylvanus Olympio de Lomé Lomé Togo

Introduction: Glaucoma is a major cause of irreversible blindness worldwide. Early detection and awareness are essential to reduce the impact on eye health. The aim of this study is to assess the knowledge, attitudes and practices of health care staff about glaucoma in Lomé. Materials and Methods: This was a prospective cross-sectional and descriptive study including health care staff in Lomé, from October 1st to December 31st, 2020, for a period of 3 months. After their agreement, the officers responded to questions based on a survey sheet. Results: A total of 169 agents from 3 centers in Lomé, i.e. the Sylvanus Olympio University Teaching Hospital, the Campus University teaching Hospital and the Bè Hospital were involved. 50.9% of the agents were male versus 49.1% female, i.e. a ratio of 1.04. The average age was 33.66 ± 10.45 years. 46.10% were doctors versus 53.90% paramedics. 58.60% had at most 5 years of experience against 41.40% who had more than 5 years of experience. 53.80% defined glaucoma as ocular hypertension while 17.20% defined it as optic nerve disease. 46.20% did not know that there were many types of glaucomas compared to 53.20% who knew that there are many types of glaucomas. 92.30% knew that glaucoma can lead to cause visual loss. Regarding attitudes and practices about glaucoma, 91.70% declared that the follow-up should be done by the ophthalmologist, 81.10% thought that it would be necessary to be checked by the doctor only every 6 months. Finally, 65.08% declared that they had to use eye drops for life for the treatment. Conclusion: Steps should be taken to educate staff more about glaucoma attitudes and practices and also plan for action in the population.

关键词： Knowledge Attitude Practice Glaucoma Lomé

Bilateral Iris Coloboma Revealed by a Decreased Vision: About the First Case in Togo Observed in Kara University Teaching Hospital

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Open Journal of Ophthalmology 2021年第4期11卷 249-252页

作者： kokou Messan Amedome Codjo Rodrigue Abel Assavédo Yao Ako Patrick Mensah Kossi Dzidzinyo kokou vonor Koffi Didier Ayéna Komi Balo Centre Hospitalier Universitaire de Kara Kara Togo Centre hospitalier départemental Borgou-Alibori Parakou Benin Centre Hospitalier Universitaire Sylvanus Olympio Lomé Togo Centre Hospitalier Régional de Kara Tomdè Kara Togo Hô pital Secondaire de Bè Lomé Togo

Background: Ocular coloboma is the product of an error in the fetal fissure closure, normally occurring between the fifth and sixth weeks of gestation [1]. It may involve the cornea, iris, zonula, ciliary body, choroid, retina and optic nerve. The incidence of this syndrome is 0.7 per 10,000 live-births [1]. The aim of this observation is to present the first case of bilateral coloboma of the iris [1]. This case was associated with an ametropia causing a decrease in visual acuity. Case Presentation: This was a clinical observation concerning a young 12-year-old patient who consulted for blurring of vision which had progressed for approximately 2 years. The ophthalmologic examination revealed an ametropia with a bilateral notch of the pupillary rim suggesting a bilateral coloboma. There was no association with another coloboma such as chorioretinal coloboma which is quite common and is accompanied frequently by visual symptoms. Conclusion: A visual impairment of the child can indicate ametropia. However, other congenital anomalies can be discovered as was the case in this clinical observation.

关键词： Coloboma Iris Decreased Vision Kara Togo

Macular Thickness by Optical Coherence Tomography in Normal Togolese Melanoderma Subjects: A Case Study of 338 Eyes

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Open Journal of Ophthalmology 2022年第1期12卷 44-50页

作者： Kossi Dzidzinyo Akoete Djagnikpo Koffi Didier Ayena kokou vonor Mawouli Ayodele Santos Kassoula Batomaguela Nonon-Saa kokou Messan Amedome Adam Nouhou-Diori Nidain Maneh Komi Balo Department of Ophthalmology Sylvanus Olympio University Hospital Lomé Togo Sight & Vision Ophthalmology Clinic Lomé Togo Department of Ophthalmology Secondary Hospital of Bè Lomé Togo Department of Ophthalmology Kara University Hospital Kara Togo Department of Ophthalmology Regional Hospital Center of Aneho Aneho Togo Department of Ophthalmology Campus University Hospital University of Lomé Lomé Togo

Objective: Maculopathies are more and more frequent. For the follow-up of its evolution and therapy, it seems important for us to determine the baseline in normal subjects by Optical Coherence Tomography (OCT). The goal here is to determine the acceptable range of macular thickness in normal black subjects in Lomé. Methodology: This is a retrospective study over a 6-month period. It did not include all patients with retinopathy of any cause, maculopathy, and glaucoma. The analyzed variables were the average macular thickness, the central macular thickness, and the total macular volume. Results: Out of the 433 macular OCT performed, 191 patients were selected;a total of 338 eyes. These included 96 men and 95 women. A sex ratio was 1.01. The median age was 44.1 years with extremes ranging from 10 to 70 years. The average macular thickness was 263.4 μm for the right eye and 263.7 μm for the left eye. The central macular thickness was 174.1 μm for the right eye and 173.3 μm for the left eye. The total macular volume was 7.4 in both eyes. Discussion: No significant statistical difference existed between the two sexes. The average macular thickness found in this study was within the range of normality observed in the literature, which is between 216 and 288 μm. Conclusion: The average macular thickness of the normal subject in Lomé was 263.4 μm.

关键词： Macular Thickness OCT Normal Subject

Optical Coherence Tomography’s Contribution to the Diagnosis of the Pathologies of the Vitreoretinal Interface in Lomé

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Open Journal of Ophthalmology 2018年第3期8卷 180-189页

作者： Kossi Dzidzinyo Hubert Yamdeu Koffi Didier Ayena kokou vonor Nidain Maneh kokou Messan Amedome Kassoula Batomaguela Nonon Saa Koko Roger Kuaovi Yawa Nagbe Meba Banla Komi Balo Faculty of Health Sciences University of Lome Lomé Togo Eye Department of Teaching Hospital Sylvanus Olympio of Lomé Lomé Togo Eye Institute Afia of Lomé Lomé Togo

Purpose: To identify the pathologies of the vitreoretinal interface by Optical Coherence Tomography OCT of the retina in Lomé. Methodology: This is a retrospective analytical study, carried out in a specialized liberal center in Lomé. It was based on the analysis of OCT images of the retina, carried out with patients between October 2012 and October 2014. The variables collected were the socio-demographic characteristics, which were the various pathologies of the vitreoretinal interface. Results: 303 eyes of 164 patients were analyzed. The population was predominantly female (sex ratio = 0.95) aged 9 to 84 years with an average of 52.93 years. 121 eyes (39.9%) had posterior vitreous detachment with 66.1% in the 50 - 70 age group. 42 eyes (13.86%) presented vitreomacular traction with 66.6% in the 50 - 70 age group. 31 eyes (10.23%) presented an epi-retinal membrane with 61.2% in the 50 - 70 age group. 33 eyes (10.89%) had a full-thickness macular hole with 69.6% in the 50 - 70 age group. 4 eyes had a lamellar hole and 1 eye had a pseudo hole. Conclusion: OCT is an excellent tool for non-invasive exploration of the vitreoretinal interface. It gives precise information on the various pathologies of this interface. The need to evaluate the functional impact of these abnormalities, calls for other studies, especially prospective studies to assert their reality of those disease.

关键词： Posterior Vitreous Detachment Vitreous Macular Traction Retinal Membrane Macular Hole