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Hubungan Antara Kelainan Refraksi Dengan Perilaku Membaca Pada Siswa Anggota Jemaat Gereja Kristen Nafiri Sion Fajar Kemuliaan Tahun 2023 Indrajanti, Mirza; Wijaya, Esther; Nila, Seri; Sinaga, Natasya Advelin; Gosali, Vincentio Owen; Kencana, Billy Gadi
Jurnal MedScientiae Vol. 3 No. 3 (2024): Desember
Publisher : Universitas Kristen Krida Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36452/JMedScientiae.v3i3.3332

Abstract

Myopia is an eye disorder in which parallel rays coming from an infinite distance are refracted in front of the retina. Astigmatism is an optical condition of the eye, in which parallel rays are not refracted at a single focal point, so that the focus is unclear, vision is blurred and often dizzy. Anisometropia is a difference in refractive error between the two eyes of 1-2 Diopters (D) in one or more meridians. This can cause aniseikonia, namely a difference in shadow both in shape and size that causes difficulty in fusion. Hypermetropia / Hyperopia / farsightedness is a condition of not being able to see close objects clearly, this condition is the opposite of farsightedness (myopia). The symptoms of hypermetropia are similar to presbyopia in the elderly. Research objective is to educate students about visual health. Method is data collection was conducted through anamnesis, visual acuity examination using refraction instruments and distributing questionnaires to students of the Nafiri Sion Fajar Kemuliaan Christian Church aged 12-22 years, totaling 62 people, then diagnosed with refractive disorders. There is a relationship between refractive disorders and students' reading behavior.
The Stereopsis Ability Based on Corrected Refractive Errors in School-Age Children Hasan, Hasan; Indrajanti, Mirza; Silaen, Desi Hartati
Jurnal MedScientiae Vol. 4 No. 2 (2025): Agustus
Publisher : Universitas Kristen Krida Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36452/jmedscientiae.v4i2.3861

Abstract

Stereopsis is the highest binocular vision ability which is very important in children's visual development. Especially in supporting the learning process and daily activities. Refractive disorders such as myopia, hypermetropia, and astigmatism that are not properly corrected can inhibit the development of stereopsis. Objective: To determine the stereopsis ability based on the type of refractive disorder that has been corrected in students of SDN 11 Pagi and SDN 17 Kebon Jeruk in 2025. Method: This study used a quantitative descriptive design with a cross-sectional approach. The sample consisted of 792 students who had their refractive disorders corrected and met the inclusion criteria. Results: Of the total 792 students, 465 students had refractive disorders, with the highest proportion of compound myopic astigmatism (27.9%). This group also showed the highest percentage of subnormal stereopsis (33.5%). In addition, of the 115 students with subnormal conditions, many (51.3%) were accompanied by anisometropia. Conclusion: There are differences in stereopic abilities in children based on corrected refractive errors, groups with a combination of refractive errors accompanied by anisometropia mostly experience subnormal stereopsis. Therefore, it is important to do early detection and correct refractive errors appropriately to support the development of binocular vision and children's learning achievements so that they are maximized.
The Prevalence of Refractive Errors Using the Lea Symbols Test in Preschool Children in South Tangerang Kosin, Abdul; Indrajanti, Mirza; Farfar, Inggrid Osya
Jurnal MedScientiae Vol. 4 No. 2 (2025): Agustus
Publisher : Universitas Kristen Krida Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36452/jmedscientiae.v4i2.3878

Abstract

Preschool age is a critical phase in children's visual development. Refractive errors such as myopia, hypermetropia, and astigmatism often go undetected due to limited communication abilities in young children. Early detection is essential to prevent negative impacts on growth and learning achievement. The Lea Symbols Test is an effective visual screening method, especially for children who have not yet learned to read. Objective: This study aims to determine the prevalence and types of refractive errors in preschool children in Sawah Baru Subdistrict, South Tangerang, using the Lea Symbols Test. Method: This is a descriptive quantitative study using a survey approach. The sample consisted of 123 children aged 3–7 years from three kindergartens in the area. Visual acuity was assessed using the Lea Symbols chart, followed by subjective refraction using trial lenses. Data were analyzed univariately. Results: The findings showed that 38.2% of children had refractive errors in the right eye and 40.7% in the left eye. Myopia was the most common type (17.9%), followed by astigmatism (9.8%) and hypermetropia (8.1%). Most respondents were aged 5–6 years. The Lea Symbols Test proved effective in identifying visual acuity in early childhood. Conclusion: The prevalence of refractive errors in preschool children is relatively high, with myopia being the most common. Routine eye examinations and parental education are essential for early detection and management.
The Prevalence of Uncorrected Refractive Errors in Primary School-Aged Children Supriyanto, Ardi; Indrajanti, Mirza; Farfar, Inggrid Osya
Jurnal MedScientiae Vol. 4 No. 3 (2025): Desember
Publisher : Universitas Kristen Krida Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36452/jmedscientiae.v4i3.3879

Abstract

Refractive errors are one of the leading causes of visual impairment in children. If left uncorrected, these conditions can interfere with learning processes and overall child development. Objective: To determine the prevalence of uncorrected refractive errors among students at SDN 11 Pagi and SDN 17 Kebon Jeruk, West Jakarta, in 2025. Methods: This study employed a descriptive quantitative design with a cross-sectional approach. A total of 700 students who met the inclusion criteria were examined using a Snellen chart and a trial lens set. Results: The study found that 53.7% of students had uncorrected refractive errors. Astigmatism was the most common type, followed by compound myopic astigmatism and myopia. Conclusion: Refractive errors were more prevalent among female students (27.4%) compared to male students (26.3%), with the highest prevalence found in first and sixth-grade students. This study highlights the importance of early detection and routine vision screening among elementary school children to prevent long-term visual impairment.
Hubungan Tingkat Keparahan (Grading) Penyakit Katarak Senilis dengan Tingkat Depresi pada Lansia: - Siyamto, Siyamto; Indrajanti, Mirza; Goenawan, Kristian; Silaen, Desi Hartati
Jurnal MedScientiae Vol. 5 No. 1 (2026): April
Publisher : Universitas Kristen Krida Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36452/jmedscientiae.v5i1.3871

Abstract

The aging population in Indonesia accompanied by a demographic dividend has caused an increase in the elderly population. The aging process can usually be accompanied by a decrease in visual sensory disorders with senile cataracts. The presence of senile cataracts can cause depressive disorders that have an impact on the mental health of the elderly. Purpose to determine the relationship between the severity (grading) of senile cataract disease with the level of depression in diagnosis of senile cataracts patiens at the UKRIDA Hospital in Jakarta. Method is a correlational analysis study using primary and secondary data from patients with a diagnosis of senile cataracts with an accidental sampling technique. Data analysis using the Gamma Correlation test. The study with 72 patient sample and found an average age of 68 years with grade 1 senile cataract disorders of 44 people (61.1%). Patients with senile cataracts with mild depressive disorders of 41 people (56.9%) Conclusions are the correlation between the severity (grading) of senile cataracts and the level of depression in elderly patients is not significant or does not have a significant relationship with a p-value 0,400. A correlation value of 0,200 indicates a positive correlation with a very weak and meaningless correlation strength.
Prevalence Suspected Amblyopia (Lazy Eye) at SDN 11 and 17 Kebon Jeruk, West Jakarta 2025 Hidayat, Dede; Silaen, Desi Hartati; Indrajanti, Mirza
Jurnal MedScientiae Vol. 5 No. 1 (2026): April
Publisher : Universitas Kristen Krida Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36452/jmedscientiae.v5i1.3876

Abstract

Amblyopia or "lazy eye" is a visual impairment due to abnormal visual development in childhood. If not treated early, it can cause permanent visual acuity loss. The main causes are uncorrected refractive errors and strabismus. Routine examinations at school are important to detect and prevent long-term impacts. To determine the prevalence of suspected amblyopia in students of SDN 11 and 17 Kebon Jeruk, West Jakarta, and its distribution based on age, gender, type, and clinical classification of amblyopia. This study used a descriptive analytical design with a cross-sectional approach. Of the 840 students, 792 met the inclusion criteria through total sampling. The examination included visual acuity (Snellen Chart), refractive status (autorefractor), and identification of the type and classification of amblyopia. It was found that 108 children (13.6%) were identified as suspected amblyopia. The proportion of cases was higher in girls (54.6%) than boys (45.4%). The age with the highest number of cases was 10 years (23.1%), followed by 7 years (21.3%). Based on the type, 53.7% were classified as anisometropic amblyopia and 46.3% were isometropic. In terms of classification, the majority (99.1%) were refractive amblyopia and only 0.9% were deprivation amblyopia.