Glaucoma often progresses without noticeable symptoms in its early stages, which is why it is referred to as the "silent thief of sight." However, as the disease progresses, symptoms can become more pronounced. Below is a detailed overview of glaucoma symptoms categorized by stage and type.
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Early Stage Symptoms of Glaucoma
In the early stages, glaucoma manifestations may present subtle symptoms that are easy to overlook. Early detection is crucial as it can prevent severe vision loss.
Symptom | Description | Prevalence (%) |
Gradual Loss of Peripheral Vision | Patients may notice slight difficulty seeing objects at the edges of their vision. | 50-60% |
Mild Eye Discomfort | Some individuals experience mild eye pain or discomfort without clear reasons. | 20-30% |
Seeing Halos Around Lights | Halos or rainbow-colored rings around lights, especially at night. | 10-20% |
Blurred Vision | Occasional blurring of vision may occur, particularly in dim lighting or when focusing. | 15-25% |
Advanced Stage Symptoms of Glaucoma
As glaucoma progresses to more advanced stages, glaucoma manifestations become more noticeable and can significantly affect daily life.
Symptom | Description | Prevalence (%) |
Severe Loss of Peripheral Vision | Noticeable tunnel vision, making it difficult to see objects to the side when looking straight ahead. | 70-80% |
Intense Eye Pain | Sharp or throbbing pain in the eyes or forehead, often requiring immediate medical attention. | 30-40% |
Sudden Vision Loss | Abrupt decrease in vision, which can be permanent if not treated promptly. | 5-10% |
Nausea and Vomiting | Accompanied by severe eye pain, this can be a sign of acute angle-closure glaucoma. | 10-15% |
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Symptoms of Open-Angle Glaucoma
Open-angle glaucoma is the most common type, accounting for about 90% of all glaucoma manifestations. Its symptoms develop slowly over time.
Symptom | Description | Prevalence (%) |
Slow Peripheral Vision Loss | Gradual loss of peripheral vision in both eyes; most common symptom in open-angle glaucoma. | 70-90% |
Blurred Vision | Occasional or persistent blurriness affecting central vision as the disease progresses. | 40-50% |
Difficulty Adapting to Darkness | Struggling to see in dimly lit environments or at night due to increased intraocular pressure. | 30-40% |
Symptoms of Closed-Angle Glaucoma
Closed-angle glaucoma, also known as acute or angle-closure glaucoma, is less common but more severe, with glaucoma manifestations appearing suddenly.
Symptom | Description | Prevalence (%) |
Sudden Severe Eye Pain | Sharp pain in the eyes, often accompanied by headaches, that requires immediate attention. | 80-90% |
Redness of the Eye | Significant redness in one or both eyes, along with pain and blurred vision. | 60-70% |
Halos Around Lights | Experiencing halos around lights due to increased eye pressure. | 50-60% |
Sudden Vision Loss | Rapid vision loss, which can be permanent if not treated urgently. | 30-40% |
Nausea and Vomiting | Often occurs alongside severe eye pain and is a distinguishing symptom of angle-closure glaucoma. | 20-30% |
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