THE FACTUAL BACKGROUND   On April 4, 2000, petitioner was hired by respondent Hammonia Maritime Services, Inc. (Hammonia) for its foreign principal, respondent Atlantic Marine Ltd., (Atlantic Marine). He was assigned to work on board the vessel British Valour under contract for nine months, with a basic monthly salary of US$ 642.00.   The petitioner was a member of the Associated Marine Officers and Seamans Union of the Philippines (AMOSUP). AMOSUP had a collective bargaining agreement (CBA) with Atlantic Marine, represented in this case by Hammonia.   The petitioner left the Philippines on April 15, 2000 to rendezvous with his ship and to carry out therein his work as a pumpman. In August 2000, while attending to a defective hydraulic valve, he felt he was losing his vision. He complained to the Ship Captain that he was seeing black dots and hairy figures floating in front of his right eye. His condition developed into a gradual visual loss. The ships medical log entered his condition as internal bleeding in the eye or glaucoma.[4] He was given eye drops to treat his condition. The petitioner went on furlough in Port Galveston, Texas and consulted a physician who diagnosed him to be suffering from vitreal hemorrhage with small defined area of retinal traction. Differential diagnosis includes incomplete vitreal detachment ruptured macro aneurism and valsulva retinopathy.[5] He was advised to see an ophthalmologist when he returned home to the Philippines.   He was sent home on September 5, 2000 for medical treatment. The company-designated physician, Dr. Robert D. Lim of the Marine Medical Services of the Metropolitan Hospital, confirmed the correctness of the diagnosis at Port Galveston, Texas. Dr. Lim then referred the petitioner to an ophthalmologist at the Chinese General Hospital who subjected the petitioners eye to focal laser treatment on November 13, 2000; vitrectomy with fluid gas exchange on December 7, 2000; and a second session of focal laser treatment on January 13, 2001.

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