Considerations in Contact Lens Use under Adverse Conditions -- COPYRIGHT -- CONTRIBUTORS -- FOREWORD -- PREFACE -- CONTENTS -- Environmental Gases and Contact Lens Wear -- OXYGEN -- CARBON DIOXIDE -- CORNEAL STROMAL PH -- BUBBLE FORMATION UNDER LENSES WITH PRESSURE CHANGES -- NOXIOUS GASES -- REFERENCES -- Hypoxia -- INTRODUCTION -- HYPOXIA AND CORNEAL PHYSIOLOGY -- CORNEAL EDEMA -- THE CLOSED EYE ENVIRONMENT -- HYPOXIA AND ITS CLINICAL SEQUELAE -- REFERENCES -- Contact Lenses and Corneal Energy Metabolites in the Rabbit -- PERTINENT ISSUES -- METHODOLOGY -- Experimental Animals -- Processing Procedure -- Underlying Principles -- RESULTS -- DISCUSSION -- REFERENCES -- Environmental Conditions and Tear Chemistry -- TEAR PH -- TEAR BUFFERING -- ACID-BASE INFLUENCES ON CONTACT LENSES -- TEAR ENZYMES -- CONCLUSION -- ACKNOWLEDGEMENT -- Tear Evaporation Considerations and Contact Lens Wear -- WATER EVAPORATION FROM HYDROGEL LENSES -- Effects of Lens Hydration -- Effect of Lens Thickness -- Effect of Abnormally Fast Lens Drying -- Pervaporation of Tear Water Through Silicone Elastomeric Lenses -- EFFECT OF TEAR WATER EVAPORATION ON EYES WITH RIGID CONTACT LENSES -- HYDROGEL CONTACT LENS WEAR IN AIRCRAFTS -- REFERENCES -- Mechanical Aspects of Soft Contact Lenses -- ELASTOHYDRODYNAMICS -- AN ILLUSTRATION -- REFERENCES -- Medical Problems Associated with Contact Lens Use -- RATES OF COMPLICATIONS -- CONTRAINDICATIONS -- NONMEDICAL CONSIDERATIONS -- MEDICAL COMPLICATIONS -- CONCLUSION -- REFERENCES -- Adverse Reactions Associated with Contact Lens Use -- MICROBIAL KERATITIS -- DIAGNOSIS AND THERAPY -- MILITARY APPLICATIONS -- REFERENCES -- Corneal Topography and Contact Lenses -- CHRONIC EFFECTS -- LSU STUDIES -- CASE REPORTS -- Case 1 -- Case 2 -- SUMMARY -- ACKNOWLEDGMENT -- REFERENCES -- Treatment of Giant Papillary Conjunctivitis -- DESCRIPTION OF GPC.

DIAGNOSIS OF GPC -- TREATMENT OF GPC -- Cleaning the Lens -- Lens Care -- Deposits -- Type of Contact Lens -- Lens of the Same Design -- Lens of a Different Design -- Lenses of Different Design for Each Eye -- Rigid Gas-Permeable Lens -- The Conjunctiva -- Irrigation -- Withdrawal of Lenses -- Cromolyn Sodium -- REFERENCES -- Endothelial Effects from Contact Lens Wear -- TRANSIENT ENDOTHELIAL CHANGES FROM CONTACT LENSES -- LONG-TERM ENDOTHELIAL CHANGES FROM CONTACT LENSES -- Endothelial Cell Density -- Endothelial Polymegethism -- Cell Pleomorphism -- DISCUSSION -- REFERENCES -- Corneal Effects of Extreme Environments: Considerations for Pilots Wearing Contact Lenses -- WIND FORCE -- ULTRAVIOLET RADIATION AT HIGH ALTITUDES -- CLIMATE EXTREMES -- Heat -- Cold -- Increased Humidity -- Decreased Humidity -- EFFECTS OF ALTITUDE ON THE CORNEA -- IMPRESSIONS OF PREVIOUS RESEARCH AND RECOMMENDATIONS -- REFERENCES -- ADDITIONAL READINGS -- Effect of Aircraft Cabin Altitude and Humidity on Oxygen Tension under Soft and Hard Gas-Permeable Contact Lenses -- MILITARY AIRCRAFT CABIN PRESSURIZATION -- CABIN ENVIRONMENT AND CONTACT LENSES -- PROPOSED ''ACCEPTABLE" CORNEAL SWELLING/MINIMUM OXYGEN LEVEL -- APPROACH -- CALCULATION OF OXYGEN TENSION UNDER CONTACT LENSES -- General Equation -- Effect of Humidity on Soft Lens Oxygen Transmission -- Effect of Humidity/Altitude on Oxygen Tension under Soft Lenses -- Effect of Altitude on Oxygen Tension under HGP Lenses -- DISCUSSION AND RECOMMENDATIONS -- REFERENCES -- Ocular Occupational Health Concerns: Considerations for Pilots Wearing Contact Lenses -- THE BAILOUT AND WIND BLAST -- FACIAL PERSPIRATION -- OCULAR RISKS OF PROLONGED EXTENDED WEAR: NEOVASCULARIZATION -- Ocular Risks of Extended Wear: Infection -- ATMOSPHERIC IRRITANTS/POLLUTANTS -- Particulate Matter (Dust), Microparticles, and Smoke.

Environmental Chemicals -- Gravitational Effects -- Vibration -- Hypoxia -- Dry Environments -- SUMMARY -- REFERENCES -- Lens Performance Considerations -- RIGID LENSES -- Advantages of Rigid Lenses -- Disadvantages of Rigid Lenses -- HYDROGEL LENSES -- Advantages -- Disadvantages -- SOFT SILICONE LENSES -- REFERENCES -- Vision Performance with Contact Lenses -- VISUAL ACUITY MEASURES -- ACUITY CHANGES -- SPHERICAL ABERRATION -- RESIDUAL ASTIGMATISM -- REFERENCES -- An Overview of U.S. Army Aviation and Contact Lens Issues -- PRELIMINARY STUDY -- DRIVING FORCE -- REFERENCES -- Contact Lens Wear in the Aerospace Environment -- INCIDENCE OF SPECTACLE WEAR IN THE U.S. AIR FORCE -- CONTACT LENS PERFORMANCE -- USAF CONCERNS -- Use of Soft Contact Lenses by Tactical Aircrews -- METHOD -- THE TEST PLAN -- TEST PROTOCOL -- PRELIMINARY RESULTS -- Job Demands in Naval Aviation -- CARRIER OPERATIONS -- HELICOPTER OPERATIONS -- VISUAL ACUITY -- Extended-Wear Lenses: The U.S. Navy's Experience -- COMPRESSION AND DECOMPRESSION -- EXTREME ENVIRONMENTS -- CURRENT MILITARY EXPERIENCE WITH EXTENDED-WEAR LENSES -- CONCLUSION -- REFERENCES.