TY - JOUR ID - TI - Complement Changes In diabetic retinopathy patient's Blood After Laser Treatment AU - Farah A.J Al-Zahawi PY - 2011 VL - 7 IS - 3 SP - 183 EP - 191 JO - Academic Science Journal مجلة العلوم الاكاديمية SN - 83732222 25189255 AB - Diabetic retinopathy is one of most important complications of diabetes mellitus thatcan be treated by Nd:YAG laser. Laser is used in ophthalmic practice for photocoagulationand photodisruptionThe purpose of this study is to evaluate changes in immunological value after treatment ofdiabetic retinopathy by laser.Blood samples from 12 patients suffering from diabetic retinopathy were taken beforeand after laser treatment to coagulate retina to prevent leakage and hemorraghe to avoiddeterioration of vision.The study showed clear changes in the values of immunology. main changes were incomplemet(C3,C4) values which increased as noticed in after tretment because all lightinducedbiological effects depend on the parameters of irradiation, the results suggest that thelaser irradiation may play two principle roles in immunological changes. One , is stimulationof cellular proliferation , and stimulation of cellular differentiation that is responsible fordifferent types of immunoglobulin.The other suggestion is that laser is acting as a triggeringfactor which induces systematic effects through the circulation when laser interacts withliving cells so it has systemic effects through circulating blood.

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