National Credential
Credential: Certified Diagnostic Ophthalmic Sonographer (CDOS)
Credentialing Agency: Joint Commission on Allied Health Personnel in Ophthalmology (JCAHPO)

The Joint Commission on Allied Health Personnel in Ophthalmology (JCAHPO), Certified Diagnostic Ophthalmic Sonographer (CDOS) is one of several intermediate- to advanced-level ophthalmologic specialties. CDOSs are Allied Ophthalmic Personnel; they utilize high frequency sound wave instrumentation and perform B-Scan sonography eye exams. Candidates must meet educational and experiential requirements as well as pass an examination.

More information can be found on the certifying agency's website.

Renewal Period: 36 months

Certified Diagnostic Ophthalmic Sonographer (CDOS)

The following Army Occupations provide training and/or experience that contributes to attaining this credential:

Personnel Category Occupation Occupation Type Related As Promotion Points Skill Level Star Proponent Funded Gap Analysis
Enlisted 68Y Eye Specialist MOS most  Promotion Points: This certification has been approved for promotion points. Click for more information. III      

Army Table Legend


Related As

The military occupations shown in this table are related to this credential in one of four ways: Most, Some, or Other.

Most: This credential is directly related to most of the major duties associated with the military occupation (at least 80%). Note that the credential may require additional education, training or experience before you are eligible for it.

Some: This credential is related to some tasks associated with the duties of the military occupation (related 80% to at least one or more critical tasks but less than 80% of all of the entire military occupation). Note that the credential may require additional education, training or experience before you are eligible for it.

Other: This credential is related to this military occupation, but is more advanced or specialized and therefore will likely require additional education, training, or experience.

Promotion Points Promotion Points icon

This credential has been approved for promotion points for this MOS towards promotion to Sergeant and Staff Sergeant. Clicking the Promotion Points icon will open a link to the promotion points fact sheet.

Skill Level Designation

Skill Level I: This skill level consists of all Soldiers in the ranks of Private (pay grade E-1) up to Specialist (pay grade E-4). Time in Service (TIS) is generally between initial entry and four Years of Service (YOS). This skill level is Entry-level positions requiring performance of tasks under direct supervision.

Institutional training:

  • Structured Self-Development (SSD) level I
  • Basic Leader Course (BLC)

Skill Level II: This skill level is obtained when promoted to Sergeant (paygrade E-5). TIS is generally between 4-8 YOS. Positions requiring performance of more difficult tasks under general supervision; and in some instances, involving supervision of Soldiers in SL1.

Institutional training:

  • Structured Self-Development (SSD) level II
  • Advance Leader Course (ALC)

Skill Level III: This skill level is obtained when promoted to Staff Sergeant (paygrade E-6). TIS is generally between 8-12 YOS. Positions requiring performance of still more difficult tasks and involving first line supervision of Soldiers in SL1 & SL2.

Institutional training:

  • Senior Leader Course (SLC)
  • Structured Self-Development (SSD) level III

Skill level IV: This skill level is obtained when promoted to the rank of Sergeant First Class (paygrade E-7). TIS is generally between 12-18 YOS. Positions requiring relatively detailed knowledge of all tasks specified for a given MOS, normally involving first-line supervision of Soldiers in SLs 1, 2, and 3, and involving managerial duties.

Institutional training:

  • Master Leader Course (MLC)
  • Structured Self-Development (SSD) level IV
  • Senior Enlisted Joint Professional Military Education (SEJPME) I Course

Skill level V: This skill level is obtained when promoted to the rank of Master Sergeant (paygrade E-8). TIS is generally between 18-22 YOS. Positions requiring direct and indirect leadership roles with expertise in company and battalion-level operations and competency across a given CMF, serving as members of a staff at every level in the Army, with a full understanding of the allocation of resources and their utilization in order to accomplish Army functions and missions.

Institutional training:

  • United States Army Sergeants Major Academy (USASMA)
  • Structured Self-Development (SSD) level V

Skill level VI: This skill level is obtained when promoted to the rank of Sergeants Major (paygrade E-9). TIS is generally between 22-30 YOS. Positions requiring organizational leadership roles with multi-dimensional expertise in units and teams on division, corps, and Army staffs, integrated with Joint, Interagency, Intergovernmental, and Multinational (JIIM) partners with a full understanding of the Force Generation process, operations at all echelons, and how the Army runs.

Star Credential Star icon

Star credentials are MOS enhancing, as designated by the Proponent. MOS enhancing credentials are directly related to an MOS or ASI, are taught either partially or completely as part of a Program of Instruction (POI), and improve the MOS technical proficiency.

Proponent Funded Funded icon

This icon indicates credentials which Soldiers may have funded through their MOS proponent. Some proponents offer credentialing opportunities in conjunction with military training and/or as part of MOS development beyond the training base.

Gap Analysis Has Analysis icon

A detailed analysis comparing the credential requirements to the military occupation has been completed. Click on the gap analysis icon to view the analysis page.

Certified Diagnostic Ophthalmic Sonographer (CDOS)

Eligibility Requirements ()

Note: This credential may have multiple options for becoming eligible. Listed below are the minimum requirements based on the minimum degree required. To view other options, see the Eligibility tab.

  • Credential Prerequisite: (optional depending on other criteria) COA, COT, COMT, ROUB, RDCS, RDMS, R.T.(S), CRA, or sonographer
  • Experience: 6000 hours recommended
  • Education: Approved Program
  • Training
  • Membership
  • Other
  • Fee

Exam Requirements ()

  • Written Exam
  • Oral Exam
  • Practical Exam
  • Performance Assessment

Renewal Period: 36 months

  • Continuing Education
  • Exam
  • Continuing Education OR Exam
  • Fee
  • Other

Joint Commission on Allied Health Personnel in Ophthalmology (JCAHPO)
2025 Woodlane Drive
St. Paul, MN  55125-2998
Phone: (800) 284-3937
Fax: (651) 731-0410
Email: jcahpo@jcahpo.org

Certified Diagnostic Ophthalmic Sonographer (CDOS)

Option 1:

Educational Requirements
CDOS candidates must complete either the COA-OMP or CMA accredited training program for ophthalmic medical technicians, have 5 hours of B-Scan CE credits in a classroom or distance learning setting earned within 12 months of submitting application. Additionally, CDOS candidates must have 1 hour of B-Scan CE credit in a hands-on setting earned within 12 months of submitting their application.

Experiential Requirements
CDOS candidates must have a case log of 20 abnormal ophthalmic B-Scan examinations, performed within 12 months prior to submitting their application. A physician must sign a candidate's case log and at least two different pathologies must be listed.

Option 2:

Educational Requirements
CDOS candidates must complete either the COA-OMP or CMA accredited training program for ophthalmic medical technicians, have 5 hours of B-Scan CE credits in a classroom or distance learning setting earned within 12 months of submitting application. Additionally, CDOS candidates must have 1 hour of B-Scan CE credit in a hands-on setting earned within 12 months of submitting their application.

Experiential Requirements
CDOS candidates must have at least 4,000 hours as a COA, COT, COMT under physician supervision.
Or
ROUB, RDCS, RDMS, R.T.(S) or CRA under physician supervision. 
And
A physician signed case log of 20 abnormal ophthalmic B-Scan examinations, at least two different pathologies must be listed, and the work must have been performed within 12 months prior to a candidate’s application submission date. JCAHPO provides the case log in Appendix E of the Criteria for Certification and Recertification Handbook.

Option 3:

Educational Requirements 

  • 5 hours of B-Scan CE credits in a classroom or distance learning setting earned within 12 months of submitting application.
  • 1 hour of B-Scan CE credit in a hands-on setting earned within 12 months of submitting application.


Experiential Requirements 
Employed at least 6,000 hours as a sonographer
And
A physician signed case log of 20 abnormal ophthalmic B-Scan examinations, at least two different pathologies must be listed, and the work must have been performed within 12 months prior to a candidate’s application submission date. JCAHPO provides the case log in Appendix E of the Criteria for Certification and Recertification Handbook.

Certified Diagnostic Ophthalmic Sonographer (CDOS)

  • Anatomy and Physiology of the Eye and Orbit (7%)
  • Biometry (7%)
  • Examination Technique (13%)
  • Instrumentation (3%)
  • Pathology (59%)
  • Physics (11%)

There are a number of resources available to help you prepare for the Certified Diagnostic Ophthalmic Sonographer (CDOS) examination:

An additional resource is Safari Books Online, a searchable digital library that provides online access to thousands of books, training videos and conference sessions. See the Educational Resources page here on COOL to learn how to get free access.

Certified Diagnostic Ophthalmic Sonographer (CDOS)

Renewal Period: 36 months

The Certified Diagnostic Ophthalmic Sonographer (CDOS) credential has the following recertification information:

The CDOS is renewed every 36 months. Individuals seeking recertification of the CDOS credential are required to earn 25 Continuing Education Units of which:
  • A minimum of 15 credits must be related to the exam content outline
  • A maximum of 10 of credits may not be related to the exam content outline.