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Eye Conditions and Treatments

Retinal Embolism

DEFINITION: There is a wide-ranging vascular system consisting of arteries and veins in the retina. Obstruction in veins of the retina is called retinal vein obstruction, while obstruction in arteries of the retina is called retinal arterial obstruction.Figure 1. Fundus photography of a patient diagnosed with branch retinal vein occlusion (left). Fundus photography of a patient who received argon laser photocoagulation treatment for branch retinal vein occlusion at our hospital.RISK FACTORS AND CAUSES: Retinal vein obstructions mostly occur between the ages of 50 and 60. Patients with hypertension, arteriosclerosis, coagulation problems, and diabetes are at risk. Retinal artery obstructions are generally caused by a minor embolus (coagulum) in the blood circulation. High blood and cholesterol values, cardiac diseases, arteriosclerosis, systemic hypertension and diabetes are among the risk factors for retinal arterial obstruction.Figure 2. Fundus appearance of central retinal vein occlusion…

Refractive Laser Surgery

Patients who suffer from myopes, hypermetropy, astigmatism can get rid of their contact lenses and glasses permanently with femtosecond laser aided intraocular lens surgery.In our hospital, all the diagnostic devices that are concerned with refractive surgery including femtosecond laser, excimer laser are present. Treatment for each individual patient is decided after extensive eye check-up along with special diagnoses concerning laser and lens surgery in accord with the patient’s expectation and applied by our experienced doctors.Breakage defects are divided into four categories: myopia, hyperopia, astigmatism, and presbyopia. Figure 1. Demonstration of differernt types of refractive surgery.In myopia, the anterior-to-posterior diameter of an eye is longer than the breakage power of the eye, so beams coming into the eye focus on a point before the retina. People with myopia see close-range clearly, while they cannot see the far images clearly. In hyperopia, the anterior-to-posterior…

Macular Hole

DEFINITION: This hole develops in the center of the macula which enables the central vision. It has four phases. It mostly emerges by the detachment of the vitreus from the macula due to aging. It occurs in 3 cases out of 1000. Once one of the eyes is affected, the risk of development in the other eye within 5 years is 10%.Figure 1. Preoperative (left) and postoperative (right) Multicolor optical coherence tomography images of a patient operated for full thickness macular hole at our hospital.RISK FACTORS: It mostly affects individuals who have no eye diseases and who are over 50 years of age. It is more common in women. It may also develop due to high myopia, trauma, intraocular inflammation, retinal detachment and other eye diseases.FINDINGS: The disease starts with distorted and blurred vision in the center of vision. With the expansion of the hole over weeks and months, central vision is seriously affected.Figure 2. Preoperative (left) and postoperative (right) B scan optical coherence…

Vitrectomy Surgery

Vitrectomy surgeries include cleaning the gel-like material filling the eye (vitreous) and related operations. Vitrectomy is accepted as a treatment method for a number.Figure 1. Fundus photography of a patient treated with the diagnosis of proliferative diabetic retinopathy prior to argon laser  (left) and following the treatment (right). The pale white dots on the retinal photograph below are laser spots.of visual diseases. These diseases may include intraocular bleeding, advanced-stage retinopathies due to diabetes, macular hole, macular lines, retinal detachment, intraocular foreign objects, infections after visual surgeries, falling of the lens into the eye, intraocular tumors, and advanced-stage premature retinopathies. The operation is made through three holes opened in the white part of the eye after it is anesthetized or after general anesthesia from the side of the eye.  These three holes are used to inject sterile fluid into the eye, illumination, and to perform the…

Glaucoma Treatmens

Disruption to the internal eye fluid or increased resistance to the external flow results in internal pressure more than the eye can tolerate and thereby a group of diseases characterised by irreversible damage to the optic nerve.  In open nagle tyoe glaucoma, the disease gives no indications until the advanced stage at which vision loss develops. The progressive course of the disease is generally slow and initially the patient is not aware of impairments in the field of vision. Figure 1. Filtering bleb of trabeculectomy 12 months after surgery.In acute closed angle type glaucoma the prevention of internal eye fluid circulation results in high levels of internal eye pressure. In these cases, clouded vision, coloured circles around light, severe pain in and around the eye, redness of the eye and nausea and vomiting may be seen. In congenital glaucoma cases, there are findings of watering of the eyes, large diameter cornea and loss of clarity.The risk factors in primary open…
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