Title
Lucas vs. Tuano
Case
G.R. No. 178763
Decision Date
Apr 21, 2009
Patient developed glaucoma after prolonged steroid eye drop use; court ruled no negligence proven due to lack of expert testimony linking treatment to condition.
A

Case Digest (G.R. No. 217368)

Facts:

  • Background and Procedural History
    • Petitioners Peter Paul Patrick Lucas, Fatima Gladys Lucas, Abbeygail Lucas, and Gillian Lucas sued respondent Dr. Prospero Ma. C. TuaAo for alleged medical negligence, claiming steroid-induced glaucoma.
    • The Regional Trial Court (RTC), Branch 150, Makati City, dismissed their complaint for insufficiency of evidence (Decision dated 14 July 2000). The Court of Appeals (CA) affirmed on 27 September 2006 and denied reconsideration on 3 July 2007. Petitioners filed this Rule 45 certiorari petition.
  • Medical Treatment Chronology
    • September–October 1988: Peter Lucas consulted Dr. TuaAo for conjunctivitis and recurrent Epidemic Keratoconjunctivitis (EKC). Dr. TuaAo performed routine ocular examinations and prescribed Spersacet-C, Maxitrol (steroid-based drops), and later Blephamide when Maxitrol was unavailable. Follow-ups showed recurrent EKC; Dr. TuaAo warned about tapering steroids.
    • Mid-December 1988: Peter developed severe pain and lost vision in his right eye. Tonometry revealed IOP of 39 mm Hg. Dr. TuaAo discontinued Maxitrol, prescribed Diamox and Normoglaucon, and monitored daily.
    • Late December 1988: Referral to glaucoma specialist Dr. Agulto, who confirmed significant glaucoma damage and recommended baseline visual fields, beta-blockers, and possible trabeculoplasty. Peter also consulted Dr. Batungbacal and Dr. Aquino. He eventually underwent two laser trabeculoplasty procedures (May 1990, June 1991).
  • Complaint and Defenses
    • In September 1992, petitioners filed Civil Case No. 92-2482 for damages: P2 million for Peter’s impaired vision, P300,000 actual damages, P1 million moral, P500,000 exemplary, and attorney’s fees. They alleged gross negligence in prescribing prolonged Maxitrol without IOP monitoring.
    • Dr. TuaAo denied negligence, explaining that he followed standard ocular examinations (including palpation for IOP), suspended steroids when indicated, and that glaucoma was pre-existing (normal-tension open-angle) unmasked by steroid use.

Issues:

  • Did the CA and RTC err in dismissing the complaint for insufficiency of evidence?
  • Was the requirement of expert medical testimony a barrier that prevented petitioners from proving negligence?
  • Should Dr. TuaAo be held liable for actual, moral, and exemplary damages, attorney’s fees, and costs due to gross negligence?

Ruling:

  • (Subscriber-Only)

Ratio:

  • (Subscriber-Only)

Doctrine:

  • (Subscriber-Only)

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