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To determine the efficacy of Smartphone-based exercises in conjunction with modified glasses prescription in the treatment of convergence insufficiency and fusion weakness.A total of 150 patients using glasses and having asthenopia between 15 and 30 years of age were subjected to thorough eye examination including binocular vision testing and refraction. Of them 26 individuals were found to have convergence insufficiency with fusion weakness and exophoria6 pd. Subjects with amblyopia, manifest strabismus and other ocular diseases were excluded from the study. Modified glasses (overcorrection of myopia by -0.5 D Sphunder correction of hypermetropia by +0.5 D Sph) were given along with newly designed Smartphone-based fusion exercises.Near point of convergence improved by 2.89 ± 1.08 cm, positive fusion vergence by -10.2 ± 3.25 pd and near phoria by 3.13 ± 0.32 pd (p 0.001).The current study demonstrates the efficacy of Smartphone-based fusion exercises, in conjunction with modified glasses prescriptions, in the management of symptomatic convergence and fusion insufficiency. Indeed, this novel, newly designed approach for convergence insufficiency improves symptoms by reducing near point of convergence and degree of exophoria and increasing fusional vergence.

Purpose: To determine the prevalence of spheroidal degeneration of cornea (SDC) and its association with other eye diseases in the tribes of South-West Rajasthan. Methods: A total of 5012 patients were examined on slit lamp for the diagnosis of SDC. Diagnosis of SDC was made based on presence of amber granules in the superficial stroma of peripheral interpalpebral cornea with increasing opacification, coalescence and central spread or nodular and hazy surrounding stroma and divided in three stages. Results: The prevalence of SDC was 10.7%. Around 55% of the total of 535 cases examined were found to have Stage I followed by Stage II (32%) and Stage III (13%). The prevalence is greatest in both men and women over 70 years of age. The severity of SDC is greater in men. SDC was significantly associated with pterygium and pseudocapsular exfoliation. Conclusion: Extreme temperature, low humidity, dust, high wind, and microtrauma caused by sand particles are the probable etiologies for higher prevalence of this kind of degeneration in this region.