Craig Blackwell, MD
Ophthalmology

Santa Cruz, CA
Diplomate: American Board of Ophthalmology
Fellow: American Academy of Ophthalmology

Welcome to the Website of Craig Blackwell, MD

An Ophthalmology Practice in Santa Cruz, CA

Eye Conditions

In general eye problems can be divided into two main groups, optical and medical.

  • Optical correction of vision relates to using glasses or contacts to correct near or far-sightedness.
  • Medical problems like cataract, glaucoma and macular degeneration, constitute a much broader category.

The links on the right side of the page contain the following information:

Narrated Eye Exam

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Provides a tour of an eye exam from the view of the doctor. It includes a description, drawings and photos of the different parts of the exam. Some conditions are covered in this section, for example, retinal detachment.

Eye Conditions

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This section describes the major eye diseases, like Cataract, Glaucoma and Macular Degeneration, with photos and diagrams to help visualize and understand the condition.

There is a section on Migraine because we see a lot of people presenting with the characteristic visual disturbance.

  • In the Migraine Overview there is a discussion of the various symptoms, general mechanism and a summary of treatments.
  • In Migraine in More Detail there is an extended discussion of the mechanism of migraine.

Eye Information

This section summarizes the results from selected major studies as follows:

Rates of Eye Disease presents data on the frequency of specific eye diseases in the US.

The Age Related Eye Disease Study (AREDS) looks at the use of antioxidant vitamins in slowing the progress of Macular Degeneration.

The Ocular Hypertension Treatment Study (OHTS) looks at the which risk factors, pressure level, disc shape, corneal thickness, etc., are helpful in predicting the development of Glaucoma in people who have elevated eye pressures.

Glaucoma Beyond OHTS describes the European Glaucoma Prevention Trial published in 2007. And as a follow-up there is an analysis of the combined data from those two studies, giving a refined risk model from a larger population base.

Eye Photos is a collection of photos with explanatory descriptions and diagrams.

Artificial Retina Update 2011. Summary of the design and function of the Artificial Retina. There are several designs, furthest along in development are the Argus models designed by Second Sight. For people with total vision loss from Retinitis Pimentosa this has allowed patients to regain some daily functions.