Background: Pterygium is an abnormal growth of epithelial and fibro vascular tissue invading the cornea across the limbus and can lead to impaired vision.  So awareness about pterygium enables the patients to take or make informed decisions. The aim of this study was to assess post-operative care practices among caregivers and patients with pterygium. Research design: A descriptive research design was used to conduct the study. Sample:  Convenience sample of post-operative Pterygia patients and their caregivers (n=100). Setting: This study was conducted at Out-Patient Ophthalmologist Clinic affiliated to Ophthalmology University Hospital and Out Patient Ophthalmologist Clinic Benha Ophthalmology. Tools: Three tools were used to conduct the study 1) A structured interviewing questionnaire, part I: A- To assess socio-demographic characteristics of the studied patients and their caregivers, patients' medical history, knowledge of patients and their caregivers regarding Pterygium. Tool II: Concerned to assess practices of patients and their caregivers regarding pterygium., and home environmental condition. Tool III: Concerned with attitude of caregivers regarding pterygium.  Results: 58.0% of studied patients had poor total knowledge level, 19.0% of caregivers had poor total knowledge level regarding pterygium. 60.0% of the studied patients had unsatisfactory total practices and 62.0% of caregivers had satisfactory total practices. 57.0% of the studied caregivers had negative total attitude level toward the pterygium. Conclusion: There was negative correlation between the studied patient ′total knowledge and their total practices level. While there was positive correlation between the studied caregivers' total knowledge and their total practices level. Recommendations: Distributing brochures and posters within outpatients to patients' and caregivers' to raise knowledge and care practices about pterygium.