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Glaucoma
What to do with high eye pressure glaucoma?
Glaucoma is a group of eye diseases characterized by typical optic nerve atrophy and visual field defects. Its main features are high intraocular pressure and visual field damage. The treatment of glaucoma primarily focuses on controlling intraocular pressure, delaying damage to the optic nerve, and preserving remaining vision. Lowering intraocular pressure is essential for treating glaucoma, so it can be treated locally with medications that reduce intraocular pressure. If medications cannot control the pressure, surgery may be necessary to manage it. (Specific medications should be used under the guidance of a physician.)
Early symptoms of glaucoma
Glaucoma is a condition where the intraocular pressure exceeds the tolerance limits of the tissues within the eyeball, especially the optic nerve, causing characteristic optic nerve atrophy and visual field defects. In the early stages of glaucoma, the following symptoms may occur: First, there is eye pain, which may also be accompanied by headaches; Second, transient phenomena of rainbow vision or foggy vision, resembling the appearance of rainbow-like halos around light sources such as light bulbs; Third, there is a family history of glaucoma, especially if suspicious symptoms are present; Fourth, the eyeball becomes harder, and may feel as hard as a stone. Fifth, unexplained decrease in vision or visual field defects. Some glaucomas have atypical early symptoms, but the presence of the above symptoms should be taken seriously and prompt a hospital visit for diagnosis. High-risk groups for glaucoma should undergo annual eye exams to prevent the disease.
What happens if glaucoma worsens?
Glaucoma, if left untreated or improperly treated leading to worsening, can result in blindness, which is referred to as absolute glaucoma. In such cases, it becomes impossible to recover vision; in other words, it is irreversible. Therefore, it is crucial to proactively treat glaucoma after its onset by reducing eye pressure to protect vision, adjusting one's mindset, resting adequately, and avoiding close-range activities. The treatment is generally quite successful nowadays. Glaucoma can be classified into acute angle-closure glaucoma and open-angle glaucoma, both of which are types of primary glaucoma. Additionally, it can be categorized into primary glaucoma, secondary glaucoma, congenital glaucoma, and mixed glaucoma. With active treatment, the outcomes for glaucoma are generally good.
Glaucoma Precautions
Once glaucoma is confirmed, active treatment is necessary, such as medication or surgery. In daily life, the following points should be noted: First, do not stay in dark environments for a long time. Second, avoid excessive use of eyes and ensure to rest. Third, try to avoid drinking strong tea or coffee and do not drink a large amount of water at once. Fourth, avoid using drugs that can trigger glaucoma attacks, such as antispasmodics and antidepressants.
Can glaucoma be contagious?
Glaucoma is not contagious. It is not an infectious disease; rather, it is a group of diseases characterized by increased eye pressure, leading to optic nerve atrophy and vision decline. The most common cause is genetic factors, meaning if elders or parents in the family have this condition, the incidence of glaucoma in their offspring will also be higher. It is an eye disease caused by anatomical abnormalities of the eye. Additionally, some cases of glaucoma are caused by trauma or other reasons, so glaucoma is not contagious.
Must glaucoma undergo surgery?
Glaucoma is a group of diseases characterized by pathological increase in intraocular pressure that causes damage to the optic nerve and visual field defects. The treatment for glaucoma can include conservative management and surgical interventions. The primary goal of treatment is to control intraocular pressure and delay the progression of optic nerve damage. Generally, intraocular pressure can be controlled with medication; if medication fails to control the pressure, surgery may be necessary to manage it.
Is it serious if glaucoma causes the pupil to enlarge?
Glaucoma is divided into many types, but the most common are primary angle-closure glaucoma and primary open-angle glaucoma. In these patients, if the pupil dilates or enlarges, the angle of the chamber becomes narrower, leading to increased intraocular pressure, which we refer to as an acute attack of glaucoma. After an attack, patients may experience headaches, nausea, and vomiting. Therefore, it is crucial for glaucoma patients to minimize the time spent in dark rooms to prevent pupil dilation and avoid triggering an acute attack of glaucoma.
Is vitreous opacity a precursor to glaucoma?
Vitreous opacities are not a precursor to glaucoma. Vitreous opacities can be divided into physiological and pathological types. Physiological vitreous opacities generally do not affect vision, and one may see variously shaped black shadows in front of the eyes. Pathological vitreous opacities can impact vision and should be further examined by an ophthalmologist. The precursors of glaucoma include eye pressure, eye pain, photophobia, tearing, relief after rest, and a decrease in vision, along with halos seen around lights. If these symptoms occur, active treatment should be sought. Glaucoma can be classified into primary, secondary, congenital, and mixed types.
What are the symptoms of a glaucoma attack?
Typical acute angle-closure glaucoma has several different clinical stages, divided into the preclinical stage, prodromal stage, acute attack stage, intermittent stage, chronic stage, and absolute stage. The acute attack stage is mainly characterized by severe headache, eye pain, photophobia, tearing, and significant deterioration of vision, often reduced to counting fingers or hand motion, and may be accompanied by systemic symptoms such as nausea and vomiting. Physical signs include eyelid edema, mixed congestion, corneal epithelial edema, and the appearance of small droplets under the slit lamp. Patients may complain of rainbow vision, which primarily occurs due to the large number of small vesicles in the swollen corneal epithelium and the spaces between epithelial cells.
Can children have glaucoma?
Children can develop glaucoma. Congenital glaucoma typically presents within the first year of life and is more common in boys. The disease onset before the age of two to three years leads to increased eye pressure, which results in the enlargement of the eyeball. This manifests as photophobia, tearing, and eyelid spasms. Once diagnosed, early surgical treatment is recommended. For children under three years old, the preferred surgical procedures are trabeculectomy or goniotomy. As children are in a developmental stage and have poorer overall tolerance, anti-glaucoma medications are only suitable for short-term bridging treatment.