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Updated: Jan 21, 2026
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Fundus Photography as a Convenient Tool to Study Microvascular Responses to Cardiovascular Disease Risk Factors in Epidemiological Studies
Published on: October 22, 2014
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Presenile cataract and its risk factors: A case control study
Gopal K Das1, Krutika Boriwal1, Pragti Chhabra1
1UCMS and Guru Teg Bahadur Hospital, Dilshad Garden, New Delhi, India.
Journal of Family Medicine and Primary Care
|July 24, 2019
Summary
Early cataract development is linked to tobacco use, high cholesterol, and fuel exposure. These factors significantly increase the risk of presenile cataract in adults aged 18-40.
Area of Science:
- Ophthalmology
- Public Health
- Epidemiology
Background:
- Early onset cataract (presenile cataract) is a growing global health concern.
- Understanding risk factors is crucial for prevention strategies.
Purpose of the Study:
- To identify the types of presenile cataracts.
- To determine probable risk factors associated with early cataract development.
Main Methods:
- Case-control study involving 90 patients (18-40 years) with presenile cataract and 90 controls.
- Data collected via questionnaires, ocular examinations, and blood tests.
- Statistical analysis using frequency distribution and Chi-squared test.
Main Results:
- Posterior subcapsular cataract was the most common type.
- Significant associations found between presenile cataract and tobacco intake (P=0.035), hypercholesterolemia (P=0.002), fuel exposure (P=0.004), and lower socioeconomic status (P<0.001).
Conclusions:
- Tobacco chewing, hypercholesterolemia, and excessive fuel exposure are identified as significant risk factors.
- These findings highlight modifiable risk factors for early cataract formation.
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