Employment Agreement

Employment Agreement

by Continental Fuels, Inc.
August 18th, 1997

                                                                    EXHIBIT 10.4

                              EMPLOYMENT AGREEMENT

     This Employment  Agreement is entered into this 18th day of July, 1997 (the
"Agreement")  by and  between  Arizona  Glaucoma  Institute,  Inc.,  an  Arizona
corporation  (the  "Company"),  and Dr. Leo D. Bores,  an Arizona  resident (the

     1.  Employment.  The Company  hereby employs  Employee and Employee  hereby
accepts  employment  from the  Company  as the Chief  Medical  Director  and the
initial Staff Physician of the Company's health care institution located at 8049
N. 85th Way, Scottsdale,  Arizona (the "Clinic"),  upon the terms and conditions
set forth  herein.  Employee  may  execute an  agreement  to be  employed as the
Medical  Director of all of the similar  clinics  owned and operated by Coronado
Industries, Inc., the parent of the Company ("Coronado").

     2. Term. The term of this Agreement shall begin on August 1, 1997 and shall
continue  through  August 31, 1999 (the "Term"),  subject to the  provisions for
termination  hereinafter  provided.  This Agreement  shall be renewable upon the
mutual agreement of the parties hereto.

     3.  Compensation.

          (a) During the first year of the term of this  Agreement,  the Company
shall pay  Employee the monthly  salary of $12,500 for the services  rendered by
the  Employee  to the Company in the  positions  set forth in Section 1 above of
this  Agreement.  During  the  second  year of the term of this  Agreement,  the
Company  shall pay  Employee  the  monthly  salary of $16,667  for the  services
rendered by the Employee to the Company in the  positions set forth in Section 1
above of this Agreement.  The monthly salary  described  herein shall be paid to
the Employee on such basis during the month as may be agreed upon by the Company
and the Employee.

          (b) In addition  to the sum  described  in Section  3(a) above of this
Agreement, Employee shall be paid a sum equal to five percent (5%) of the annual
net income of the  Company,  as  determined  by  generally  accepted  accounting
principles  with the  Company  paying  all  license,  management  and other fees
required to Coronado and its other  subsidiaries (the "Bonus").  The Bonus shall
be payable on a quarterly basis,  with any losses incurred by the Company in any
and all prior  quarters  accumulated  with and off set  against  any  subsequent
quarter's income.

          (c) In addition to the sums described in Section 3(a) and (b) above of
this  Agreement,  the Company  shall pay for the medical  malpractice  insurance
required for Employee to serve in the positions  described in Section 1 above of
this Agreement, as well as continued health insurance.

     4. Duties.  Employee  shall  perform all duties  incident to his  positions
indicated  in  Section  1 above of this  Agreement  as may be  specified  in the
written  personnel  policies of the Company and/or required of such positions by
the rules and regulations of the Arizona Department of Health Services.

     5. Extent of Services.  Employee shall devote one hundred percent (100%) of
his normal full employment  time,  attention and energies to the business of the
Company;  except to the extent he is employed in the affairs of Coronado  or, if
Employee's full time is not required in the business of the Company or Coronado,
Employee  may  spent no more  than  one (1) day per  five  day work  week on the
business of his private  medical  practice.  However,  the Company  shall charge
Employee a pro-rata portion of each month's medical malpractice premium to cover
Employee which such insurance during such private practice by Employee.

     6.  Working  Facilities.  The  Company  shall  furnish  Employee  with such
facilities  and  support  services at the Clinic as is required by the rules and
regulations  of the Arizona  Department of Health  Services and as the Company's
Board of Directors  shall  determine to be required for the  performance  of his
duties. In the event the Company's Board of Directors  expressly  authorizes the
Company's  use of  facilities,  equipment  or  supplies  provided  by  Employee,
Employee shall be reimbursed by the Company for the cost of such item used.

    7.  Expenses.  Employee is hereby  authorized to incur  reasonable  expenses
directly  relating to the active  conduct of the Company's  business,  including
expenses  for  travel,  entertainment  and  similar  items.  The  Company  shall
reimburse  Employee for such expenses upon the  presentation  by Employee,  from
time to time, of an itemized  expense report of such items,  in accordance  with
the guidelines set forth by the Company and/or the Internal Revenue Service. All
expenses  incurred by Employee  are subject to review and prior  approval of the
Company's Board of Directors.

         8.  Termination.

          (a) Employee may terminate  this Agreement for cause or without cause,
upon thirty (30) days' written notice to the Company;  provided,  however,  that
after the  effectiveness of such termination by Employee,  the Company shall not


be required to provide any  compensation  to Employee as  described in Section 3
above of this Agreement.

          (b) The  Company may  terminate  this  Agreement  for cause or without
cause,  upon thirty (30) days' written  notice to Employee;  provided,  however,
that if such termination is without cause, the Company shall provide to Employee
the cash compensation described only in Section 3(a) above of this Agreement for
one full year after the  effective  date of such  termination.  If the Company's
termination  is for cause,  the  Company  shall not be  required  to provide any
element of the  compensation  described  in  Section 3 above of this  Agreement.
"Cause" as used in this Section 8(b) of this Agreement  shall mean: (i) death of
Employee; (ii) any disability to Employee which prevents Employee from providing
the  extent of  services  described  in  Section 5 above of this  Agreement  for
forty-five  (45) days out of any ninety (90)  consecutive  day period during the
term of this Agreement described in Section 2 above; or (iii) Employee's refusal
to  perform  the  services  or  duties  described  in  Sections  1 or  4  above,
respectively, of this Agreement.

     9. Litigation and  Arbitration.  Any controversy or claim arising out of or
relating to this Agreement, except for a request for injunctive relief, shall be
settled by arbitration in the Phoenix  metropolitan  area in accordance with the
then governing rules of the American Arbitration Association.  The party to whom
the arbitrator or arbitration  panel makes an award shall be entitled to receive
as part of the award the  reasonable  cost of its attorney  fees and  litigation
expenses. Judgment upon the award rendered in the arbitration may be enforced in
court described in Paragraph 11 below of this Agreement.

     10. Assignment. Rights and obligations of a party to this Agreement may not
be assigned or  transferred  without the other  party's  prior  written  consent

     11.  Governing  Law And Venue.  This  Agreement  shall be  governed  by and
interpreted in accordance  with the laws of the State of Arizona,  United States
of America.  The parties  hereby  expressly  agree that the proper venue for any
claim or  cause of  action  by the  parties  shall  be the  Superior  Court  for
Maricopa,  Arizona and each party upon execution of this  Agreement  consents to
the service of process from such court.

     12.  Modification.  No modification or amendment of this Agreement shall be
valid unless it is in writing and signed by both parties hereto.


     13. Complete  Agreement.  This Agreement  constitutes the entire  agreement
between the parties  and  supersedes  all prior  agreements  and  understandings
between the Company and Employee.

     14.  Waiver.  The  waiver by  either  party of a breach of any term of this
Agreement  shall not operate as, or be construed as, a waiver of any  subsequent

     15.  Headings.  The headings in this Agreement are inserted for convenience
only and shall not be considered in interpreting the provisions hereof.

                            [Signature Page Follows]

     16.   Counterparts.   This  Agreement  may  be  executed  in  two  or  more
counterparts,  each of  which  shall  be  deemed  an  original  but all of which
together shall constitute one and the same instrument.

     IN WITNESS WHEREOF, the parties have executed this Agreement,  effective as
of the date first above written.

                             ARIZONA GLAUCOMA INSTITUTE, INC.

                             By: /s/ G. Richard Smith
                                     G. Richard Smith, President

                                /s/ Leo D. Bores
                                    DR. LEO D. BORES