0
We're unable to sign you in at this time. Please try again in a few minutes.
Retry
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
Retry
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
ARTICLE |

Cigarette Smoking and Risk of Cataracts

John J. Harding, PhD
JAMA. 1993;269(6):747. doi:10.1001/jama.1993.03500060047024.
Text Size: A A A
Published online

To the Editor.  —I was fascinated by the reports of two prospective studies on cataract and cigarette smoking, and the accompanying Editorial in JAMA. However, I find two problems that I hope can be resolved. In the US Physicians Health Study, the analysis for smoking is based on 557 incident cataracts among 371 participants out of the 17824 physicians who did not report cataract at baseline, and who provided complete risk factor information.1 The same data had been analyzed previously for aspirin consumption, but then only 353 incident cataracts were claimed in the 21 316 physicians who did not report cataract at baseline.2 The later analysis has excluded more physicians but identified 204 more cataracts, although the definition of cataract appears to be the same: confirmed, age-related cataract lowering visual acuity to 20/30 or worse without another ocular disease to account for the visual loss. How can that

Topics

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Figures

Tables

References

Letters

CME
Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.

Multimedia

Some tools below are only available to our subscribers or users with an online account.

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

Customize your page view by dragging & repositioning the boxes below.

Jobs
brightcove.createExperiences();