RESUMO ABSTRACTPurpose: There is evidence from some studies that support an association between obesity in adults and higher intraocular pressure (IOP). However, this association has not been completely studied in children. Our aim is to evaluate the association between child body mass index (BMI) and IOP. Methods: Ninety-six children attending the Instituto de Medicina Integral Prof. Fer nando Figueira (IMIP) in Brazil were studied. Thirty-three were overweight/ obese with a mean BMI of 29.7 ± 5.2 and 63 with a mean BMI of 20.8 ± 3.3. IOP was measured using the Goldmann applanation tonometer and was corrected for corneal thickness. The coefficient of correlation between BMI and IOP was calculated. Results: There was no significant difference in the IOP of children with or without overweight/obesity. The mean IOP was 13.5 and 13.0 mmHg for the right eye and 13.1 and 12.9 mmHg for left eye, respectively (p=0.38 and p=0.71). The results remained the same after correction by pachymetry; 13.0 and 13.1 mmHg for the right eye and 12.4 and 12.9 mmHg for the left eye, respectively (p=0.88 and p=0.41). The coefficient of correlation between BMI and IOP was 0.070 (p=0.496). Conclusion:These results do not show a correlation between body mass index and IOP in children. Further studies are warranted to clarify the association between BMI and IOP in children.

EditorCongenital eccrine naevus is a rare clinical entity. Fewer than 20 cases had been reported, and only three cases were congenital. 1,2 We present a child with congenital localized hyperhidrosis on the forearm. To the best of our knowledge, this is the first congenital eccrine naevus successfully treated with botulinum toxin type A.A 12-year-old girl with no significant past medical history presented with a history of localized excessive sweating on the right forearm from birth. The episodes were twice a week and were initially confused by their parents with enuresis. At 6 years of age, the episodes began more frequently, compromising her school activities. The episodes occurred daily, were preceded by a paresthesic sensation on the area and were precipitated by heat, physical activity and specially by the muscular strain of handwriting. Physical and neurological examinations were normal. Epidermic changes were not observed in the hyperhidrotic area.A provocation test with exposition to heat for 30 min confirmed a hyperhidrotic area of 5 × 4 cm localized on the ulnar emminence of the right wrist. Sweat dripped from the area ( fig. 1). An incisional biopsy specimen showed a proliferation of eccrine glands of the deep dermis and hypodermis ( fig. 2).Topical treatment with aluminium chloride 20% was unsuccessful. Surgical extirpation was discarded due to the size of the lesion. Considering the interference with her school activities and according to her mother's previous consent, treatment with botulinum toxin type A (Botox Allergan, USA) was performed. Botulinum toxin type A was diluted in 4 mL of saline solution 0.9%, with 5 U per intradermic injection, at intervals of 0.5 to 1 cm.

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The results suggest moxifloxacin is a safe option for intracameral use after cataract surgery.

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